Rename fallback to fallback_message

Rename method to fallback_message in SlashCommands for readability

lib/gitlab/slash_commands/presenters/base.rb

@@ -92,7 +92,7 @@ module Gitlab
                 title_link:   resource_url,
                 author_name:  author.name,
                 author_icon:  author.avatar_url,
-                fallback:     fallback,
+                fallback:     fallback_message,
                 pretext:      custom_pretext,
                 text:         text,
                 color:        color(resource),

lib/gitlab/slash_commands/presenters/issue_close.rb

@@ -20,7 +20,7 @@ module Gitlab
 
         private
 
-        def fallback
+        def fallback_message
           "Closed issue #{issue.to_reference}: #{issue.title}"
         end
 

lib/gitlab/slash_commands/presenters/issue_comment.rb

@@ -12,7 +12,7 @@ module Gitlab
 
         private
 
-        def fallback
+        def fallback_message
           "New comment on #{issue.to_reference}: #{issue.title}"
         end
 

lib/gitlab/slash_commands/presenters/issue_move.rb

@@ -22,7 +22,7 @@ module Gitlab
           response_message(custom_pretext: custom_pretext(old_issue))
         end
 
-        def fallback
+        def fallback_message
           "Issue #{issue.to_reference}: #{issue.title}"
         end
 

lib/gitlab/slash_commands/presenters/issue_new.rb

@@ -12,7 +12,7 @@ module Gitlab
 
         private
 
-        def fallback
+        def fallback_message
           "New issue #{issue.to_reference}: #{issue.title}"
         end
 

lib/gitlab/slash_commands/presenters/issue_show.rb

@@ -16,7 +16,7 @@ module Gitlab
 
         private
 
-        def fallback
+        def fallback_message
           "Issue #{resource.to_reference}: #{resource.title}"
         end