FEATURE: add plugin outlets for topic title suffix (#24215)

app/assets/javascripts/discourse/app/components/search-menu/results/type/topic.hbs

@@ -12,6 +12,10 @@
       {{else}}
         <SearchMenu::HighlightedSearch @string={{@result.topic.fancyTitle}} />
       {{/if}}
+      <PluginOutlet
+        @name="search-menu-results-topic-title-suffix"
+        @outletArgs={{hash topic=@result.topic}}
+      />
     </span>
   </span>
   <span class="second-line">

app/assets/javascripts/discourse/app/components/search-result-entry.hbs

@@ -31,6 +31,10 @@
           </HighlightSearch>
         {{/if}}
       </span>
+      <PluginOutlet
+        @name="search-results-topic-title-suffix"
+        @outletArgs={{hash topic=this.post.topic}}
+      />
     </a>
 
     <div class="search-category">

app/assets/javascripts/discourse/app/widgets/header-topic-info.js

@@ -1,9 +1,11 @@
+import { hbs } from "ember-cli-htmlbars";
 import { h } from "virtual-dom";
 import renderTags from "discourse/lib/render-tags";
 import { topicFeaturedLinkNode } from "discourse/lib/render-topic-featured-link";
 import DiscourseURL from "discourse/lib/url";
 import { avatarImg } from "discourse/widgets/post";
 import RawHtml from "discourse/widgets/raw-html";
+import RenderGlimmer from "discourse/widgets/render-glimmer";
 import { applyDecorators, createWidget } from "discourse/widgets/widget";
 import getURL from "discourse-common/lib/get-url";
 import { iconNode } from "discourse-common/lib/icon-library";
@@ -111,6 +113,19 @@ export default createWidget("header-topic-info", {
           contents: () => titleHTML,
         })
       );
+
+      heading.push(
+        new RenderGlimmer(
+          this,
+          "div",
+          hbs`<PluginOutlet @name="header-topic-title-suffix" @outletArgs={{@data.outletArgs}}/>`,
+          {
+            outletArgs: {
+              topic,
+            },
+          }
+        )
+      );
     }
 
     this.headerElements = [h("h1.header-title", heading)];