Move error_details.scss to a page specific bundle

Moves the file to a page specific bundle and includes it
on the relevant pages.

app/assets/stylesheets/_page_specific_files.scss

@@ -12,7 +12,6 @@
 @import './pages/diff';
 @import './pages/editor';
 @import './pages/environment_logs';
-@import './pages/error_details';
 @import './pages/error_list';
 @import './pages/error_tracking_list';
 @import './pages/events';

app/assets/stylesheets/pages/error_details.scss → app/assets/stylesheets/page_bundles/error_tracking_details.scss

+@import 'page_bundles/mixins_and_variables_and_functions';
+
 .error-details {
   li {
     @include gl-line-height-32;
   }
 
   .btn-outline-info {
-    color: $blue-500;
-    border-color: $blue-500;
+    color: var(--blue-500, $blue-500);
+    border-color: var(--blue-500, $blue-500);
   }
 
   .error-details-header {
-    border-bottom: 1px solid $border-color;
+    border-bottom: 1px solid var(--border-color, $border-color);
 
     @include media-breakpoint-down(xs) {
       flex-flow: column;

app/views/projects/error_tracking/details.html.haml

 - page_title _('Error Details')
 - add_to_breadcrumbs 'Errors', project_error_tracking_index_path(@project)
+- add_page_specific_style 'page_bundles/error_tracking_details'
 
 #js-error_details{ data: error_details_data(@project, @issue_id) }

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

@@ -6,6 +6,8 @@
 - page_card_attributes @issue.card_attributes
 - if @issue.relocation_target
   - page_canonical_link @issue.relocation_target.present(current_user: current_user).web_url
+- if @issue.sentry_issue.present?
+  - add_page_specific_style 'page_bundles/error_tracking_details'
 
 - can_update_issue = can?(current_user, :update_issue, @issue)
 - can_reopen_issue = can?(current_user, :reopen_issue, @issue)

config/application.rb

@@ -176,6 +176,7 @@ module Gitlab
     config.assets.precompile << "page_bundles/boards.css"
     config.assets.precompile << "page_bundles/cycle_analytics.css"
     config.assets.precompile << "page_bundles/environments.css"
+    config.assets.precompile << "page_bundles/error_tracking_details.css"
     config.assets.precompile << "page_bundles/ide.css"
     config.assets.precompile << "page_bundles/issues_list.css"
     config.assets.precompile << "page_bundles/jira_connect.css"