Add clear option to tag list as well

Author: Gitea

templates/repo/issue/branch_selector_field.tmpl

@@ -41,6 +41,9 @@
 		{{end}}
 		</div>
 		<div id="tag-list" class="scrolling menu reference-list-menu" style="display: none">
+				{{if .Issue.Ref}}
+			<div class="item text small" data-id="" data-id-selector="#ref_selector"><strong><a href="#">Clear current reference</a></strong></div>
+		{{end}}	
 		{{range .Tags}}
 			<div class="item" data-id="{{.}}" data-id-selector="#ref_selector">{{.}}</div>
 		{{end}}