moved declaration of `breadcrumb_title` into `page_title` method

`breadcrumb_title` is then overriden when needed

app/helpers/page_layout_helper.rb

@@ -4,6 +4,10 @@ module PageLayoutHelper
 
     @page_title.push(*titles.compact) if titles.any?
 
+    if show_new_nav? && titles.any? && !defined?(@breadcrumb_title)
+      @breadcrumb_title = @page_title.first
+    end
+
     # Segments are seperated by middot
     @page_title.join(" \u00b7 ")
   end

app/views/admin/appearances/show.html.haml

-- @breadcrumb_title = "Appearance"
 - page_title "Appearance"
 
 %h3.page-title

app/views/admin/application_settings/show.html.haml

-- @breadcrumb_title = "Settings"
 - page_title "Settings"
 
 %h3.page-title Settings

app/views/admin/applications/edit.html.haml

 - page_title "Edit", @application.name, "Applications"
+- @breadcrumb_title = "Applications"
+
 %h3.page-title Edit application
 - @url = admin_application_path(@application)
 = render 'form', application: @application

app/views/admin/applications/new.html.haml

 - page_title "New Application"
+- @breadcrumb_title = "Applications"
+
 %h3.page-title New application
 - @url = admin_applications_path
 = render 'form', application: @application

app/views/admin/hooks/index.html.haml

-- @breadcrumb_title = "System Hooks"
 - page_title 'System Hooks'
 %h3.page-title
   System hooks

app/views/admin/services/index.html.haml

-- @breadcrumb_title = "Service Templates"
 - page_title "Service Templates"
 %h3.page-title Service templates
 %p.light Service template allows you to set default values for project services

app/views/dashboard/activity.html.haml

-- @breadcrumb_title = "Activity"
 - @hide_top_links = true
 - @no_container = true
 

app/views/dashboard/issues.html.haml

-- @breadcrumb_title = "Issues"
 - @hide_top_links = true
 - page_title "Issues"
 - header_title  "Issues", issues_dashboard_path(assignee_id: current_user.id)

app/views/dashboard/merge_requests.html.haml

-- @breadcrumb_title = "Merge Requests"
 - @hide_top_links = true
 - page_title "Merge Requests"
 - header_title  "Merge Requests", merge_requests_dashboard_path(assignee_id: current_user.id)

app/views/dashboard/projects/index.html.haml

 - @no_container = true
 - @hide_top_links = true
-- @breadcrumb_title = "Projects"
 
 = content_for :meta_tags do
   = auto_discovery_link_tag(:atom, dashboard_projects_url(rss_url_options), title: "All activity")

app/views/groups/activity.html.haml

-- @breadcrumb_title = "Activity"
 = content_for :meta_tags do
   = auto_discovery_link_tag(:atom, group_url(@group, rss_url_options), title: "#{@group.name} activity")
 

app/views/groups/edit.html.haml

-- @breadcrumb_title = "Settings"
 = render "groups/settings_head"
 .panel.panel-default.prepend-top-default
   .panel-heading

app/views/groups/group_members/index.html.haml

-- @breadcrumb_title = "Members"
 - page_title "Members"
 
 .project-members-page.prepend-top-default

app/views/groups/issues.html.haml

-- @breadcrumb_title = "Issues"
 - page_title "Issues"
 - group_issues_exists = group_issues(@group).exists?
 = render "head_issues"

app/views/groups/merge_requests.html.haml

-- @breadcrumb_title = "Merge Requests"
 - page_title "Merge Requests"
 
 - if show_new_nav? && current_user

app/views/profiles/accounts/show.html.haml

-- @breadcrumb_title = "Account"
 - page_title "Account"
 - @content_class = "limit-container-width" unless fluid_layout
 = render 'profiles/head'

app/views/profiles/audit_log.html.haml

-- @breadcrumb_title = "Authentication log"
 - page_title "Authentication log"
 - @content_class = "limit-container-width" unless fluid_layout
 = render 'profiles/head'

app/views/profiles/two_factor_auths/show.html.haml

@@ -3,7 +3,6 @@
   - add_to_breadcrumbs("Account", profile_account_path)
 - else
   - header_title "Two-Factor Authentication", profile_two_factor_auth_path
-- @breadcrumb_title = "Two-Factor Authentication"
 - @content_class = "limit-container-width" unless fluid_layout
 
 = render 'profiles/head'

app/views/projects/activity.html.haml

 - @no_container = true
-- @breadcrumb_title = "Activity"
 
 - if show_new_nav?
   - add_to_breadcrumbs("Project", project_path(@project))

app/views/projects/boards/_show.html.haml

 - @no_container = true
 - @content_class = "issue-boards-content"
-- @breadcrumb_title = "Board"
 - page_title "Boards"
 
 - if show_new_nav?

app/views/projects/edit.html.haml

 - @content_class = "limit-container-width" unless fluid_layout
-- @breadcrumb_title = "Settings"
 
 = render "projects/settings/head"
 .project-edit-container

app/views/projects/graphs/charts.html.haml

 - @no_container = true
-- @breadcrumb_title = "Charts"
 - page_title "Charts"
 - if show_new_nav?
   - add_to_breadcrumbs("Repository", project_tree_path(@project))

app/views/projects/graphs/show.html.haml

 - @no_container = true
-- @breadcrumb_title = "Contributors"
 - page_title "Contributors"
 - content_for :page_specific_javascripts do
   = page_specific_javascript_bundle_tag('common_d3')

app/views/projects/network/show.html.haml

-- @breadcrumb_title = "Graph"
 - page_title "Graph", @ref
 - content_for :page_specific_javascripts do
   = page_specific_javascript_bundle_tag('network')

app/views/projects/pipelines/charts.html.haml

 - @no_container = true
-- @breadcrumb_title = "Charts"
 - page_title _("Charts"), _("Pipelines")
 - if show_new_nav?
   - add_to_breadcrumbs("Pipelines", project_pipelines_path(@project))

app/views/projects/project_members/index.html.haml

-- @breadcrumb_title = "Members"
 - page_title "Members"
 
 - if show_new_nav?

app/views/projects/settings/ci_cd/show.html.haml

 - @content_class = "limit-container-width" unless fluid_layout
-- @breadcrumb_title = "Pipelines"
 - page_title "Pipelines"
 
 - if show_new_nav?