hide context menu in linked issues (#62102)

javascripts/theme.js

@@ -161,6 +161,8 @@ function alter_issue_show_page() {
       }
     }
   });
+  /* hide context menu in linked issues */
+  $('#relations .hascontextmenu').removeClass('hascontextmenu');
 
   // global keyboard shortcuts
   $(document).on('keypress', function(ev) {

stylesheets/application.scss

@@ -475,6 +475,11 @@ div.journal ul.details {
   border: none;
 }
 
+/* hide context menu in linked issues */
+.icon-link-break + .icon-actions {
+	display: none;
+}
+
 /* syntax highlighting */
 
 .syntaxhl {