Merge branch '46879-import-project-alignment' into 'master'

Resolve "BS4: Import project page is missing margins and wells"

Closes #46879

See merge request gitlab-org/gitlab-ce!19215

app/views/projects/_import_project_pane.html.haml

 - active_tab = local_assigns.fetch(:active_tab, 'blank')
 - f = local_assigns.fetch(:f)
 
-.project-import.row
-  .col-lg-12
+.project-import
   .form-group.import-btn-container.clearfix
     = f.label :visibility_level, class: 'label-light' do #the label here seems wrong
       Import project from
@@ -44,7 +43,6 @@
         - if git_import_enabled?
           %button.btn.js-toggle-button.js-import-git-toggle-button{ type: "button", data: { toggle_open_class: 'active' } }
             = icon('git', text: 'Repo by URL')
-  .col-lg-12
   .js-toggle-content.toggle-import-form{ class: ('hide' if active_tab != 'import') }
     %hr
       = render "shared/import_form", f: f

app/views/projects/_new_project_fields.html.haml

@@ -35,11 +35,10 @@
     %span (optional)
   = f.text_area :description, placeholder: 'Description format',  class: "form-control", rows: 3, maxlength: 250
 
-.form-group.visibility-level-setting
-  = f.label :visibility_level, class: 'label-light' do
+= f.label :visibility_level, class: 'label-light' do
   Visibility Level
   = link_to icon('question-circle'), help_page_path("public_access/public_access"), aria: { label: 'Documentation for Visibility Level' }, target: '_blank', rel: 'noopener noreferrer'
-  = render 'shared/visibility_level', f: f, visibility_level: visibility_level.to_i, can_change_visibility_level: true, form_model: @project, with_label: false
+= render 'shared/visibility_level', f: f, visibility_level: visibility_level.to_i, can_change_visibility_level: true, form_model: @project, with_label: false
 
 = f.submit 'Create project', class: "btn btn-create project-submit", tabindex: 4
 = link_to 'Cancel', dashboard_projects_path, class: 'btn btn-cancel'

app/views/shared/_import_form.html.haml

 - ci_cd_only = local_assigns.fetch(:ci_cd_only, false)
 
-.form-group.row.import-url-data
+.form-group.import-url-data
   = f.label :import_url, class: 'label-light' do
     %span
       = _('Git repository URL')
 
   = f.text_field :import_url, autocomplete: 'off', class: 'form-control', placeholder: 'https://username:password@gitlab.company.com/group/project.git', required: true
 
-  .card.prepend-top-20
+  .info-well.prepend-top-20
+    .well-segment
       %ul
         %li
           = _('The repository must be accessible over <code>http://</code>, <code>https://</code> or <code>git://</code>.').html_safe

app/views/shared/_visibility_level.html.haml

 - with_label = local_assigns.fetch(:with_label, true)
 
-.form-group.row.visibility-level-setting
+.form-group.visibility-level-setting
   - if with_label
     = f.label :visibility_level, class: 'col-form-label col-sm-2' do
       Visibility Level