Fix empty action run title (#28113)

Fix #27901

templates/repo/actions/runs_list.tmpl

@@ -12,7 +12,7 @@
 			</div>
 			<div class="flex-item-main">
 				<a class="flex-item-title" title="{{.Title}}" href="{{if .Link}}{{.Link}}{{else}}{{$.Link}}/{{.Index}}{{end}}">
-					{{- .Title -}}
+					{{if .Title}}{{.Title}}{{else}}{{ctx.Locale.Tr "actions.runs.empty_commit_message"}}{{end}}
 				</a>
 				<div class="flex-item-body">
 					<b>{{if not $.CurWorkflow}}{{.WorkflowID}} {{end}}#{{.Index}}</b>: