REFACTOR: Helper suggestions (#914)

This PR adds some updates to the Helper suggestions to improve it's functionality and modernize some of the codebase.

Author: keegangeorge

assets/javascripts/discourse/components/ai-split-topic-suggester.gjs

@@ -54,8 +54,13 @@ export default class AiSplitTopicSuggester extends Component {
             suggestions.includes(item.name.toLowerCase())
           );
           this.suggestions = suggestedCategories;
-        } else {
-          this.suggestions = result.assistant.map((s) => s.name);
+        } else if (this.args.mode === this.SUGGESTION_TYPES.tag) {
+          this.suggestions = result.assistant.map((s) => {
+            return {
+              name: s.name,
+              count: s.count,
+            };
+          });
         }
       })
       .catch(popupAjaxError)
@@ -132,6 +137,17 @@ export default class AiSplitTopicSuggester extends Component {
                 {{on "click" (fn this.applySuggestion suggestion menu)}}
               >
                 {{categoryBadge suggestion}}
+                <span class="topic-count">x
+                  {{suggestion.totalTopicCount}}</span>
+              </li>
+            {{else if (eq @mode "suggest_tags")}}
+              <li data-name={{suggestion.name}} data-value={{index}}>
+                <DButton
+                  @translatedLabel={{suggestion.name}}
+                  @action={{fn this.applySuggestion suggestion.name menu}}
+                >
+                  <span class="topic-count">x{{suggestion.count}}</span>
+                </DButton>
               </li>
             {{else}}
               <li data-name={{suggestion}} data-value={{index}}>