Terminal error and other minor things — CHAQS Steam update #1498354

The precaution taken to ensure that the terminal output does not exceed the ui vertex limit was causing the rich text content to be corrupted. This situation has been resolved. Regex validation for following commands: cat, cd, cp, cpdir, mkdir, mv, mvdir, rm, rmdir, touch. Rich text is disabled for some input fields or subjected to regex validation. Alpha channel verification for custom wallpaper The input in the search field was not displaying the correct results for apps. Search field now works properly.