UI – Prevent loss of focus on Software titles table search field (#16917)

## Addresses #16752 


https://www.loom.com/share/10553b9c763541bfbda3da415d72afea?sid=68aa17d0-6868-4a9b-9072-d1079a2ce95e

- [x] Changes file added for user-visible changes in `changes/`
- [x] Manual QA for all new/changed functionality

---------

Co-authored-by: Jacob Shandling <jacob@fleetdm.com>

changes/16752-blur-on-software-search

@@ -0,0 +1,2 @@
+- Fix a bug where updating the search field for the Software titles page caused an unwanted loss of
+  focus from the search field on rerender.

frontend/pages/SoftwarePage/SoftwareTitles/SoftwareTitles.tsx

@@ -114,10 +114,6 @@ const SoftwareTitles = ({
     }
   );
 
-  if (isTitlesFetching) {
-    return <Spinner />;
-  }
-
   if (isTitlesError || isVersionsError) {
     return <TableDataError className={`${baseClass}__table-error`} />;
   }