impr(commandline): scroll active entry into view when searchbar is em…

…pty (JayTailor45) (#4663)

* fix: language selection scroll into view behaviour

* impr: improve animation logic

* impr: display selected language to center

* impr: add background hover for selected language

* impr: reuse existing keepActiveEntryInView function

frontend/src/ts/commandline/index.ts

@@ -218,8 +218,18 @@ function updateSuggested(): void {
     });
   }
   showFound();
-  activeIndex = 0;
+
+  // display background hover effect for selected language
+  const scrollTarget = $(".suggestions .entry .icon i.fa-check");
+  const entryIndex = scrollTarget.parent().parent().attr("index");
+  if (entryIndex !== undefined) {
+    activeIndex = parseInt(entryIndex);
+  } else {
+    activeIndex = 0;
+  }
+
   updateActiveEntry();
+  keepActiveEntryInView();
 }
 
 function show(): void {