Fix: Issue reference selection empty tips should not be selectable.

Author: hiifong

templates/repo/issue/branch_selector_field.tmpl

@@ -29,7 +29,7 @@
 			{{range .Branches}}
 				<div class="item" data-id="refs/heads/{{.}}" data-name="{{.}}" data-id-selector="#ref_selector" title="{{.}}">{{.}}</div>
 			{{else}}
-				<div class="item">{{ctx.Locale.Tr "no_results_found"}}</div>
+				<div class="item disabled">{{ctx.Locale.Tr "no_results_found"}}</div>
 			{{end}}
 		</div>
 		<div id="tag-list" class="scrolling menu reference-list-menu tw-hidden">
@@ -39,7 +39,7 @@
 			{{range .Tags}}
 				<div class="item" data-id="refs/tags/{{.}}" data-name="tags/{{.}}" data-id-selector="#ref_selector">{{.}}</div>
 			{{else}}
-				<div class="item">{{ctx.Locale.Tr "no_results_found"}}</div>
+				<div class="item disabled">{{ctx.Locale.Tr "no_results_found"}}</div>
 			{{end}}
 		</div>
 	</div>