Revert "FIX: Topic progress bar shouldn't show up on desktop (#8854)"

This reverts commit 7133fd8c89.

Unfortunately performCheckSize may have certain situations in topic
navigation where it is unsafe to call.

We need to add som more safety here prior to merging.

app/assets/javascripts/discourse/components/topic-navigation.js.es6

@@ -61,7 +61,7 @@ export default Component.extend(PanEvents, {
   },
 
   _checkSize() {
-    debounce(this, this._performCheckSize, 300, true);
+    debounce(this, this._performCheckSize, 300);
   },
 
   // we need to store this so topic progress has something to init with