[TASK] Treat image width as int instead of bool in EXT:indexed_search

The width of an image is an int and should not be used as a boolean.

Resolves: #101977
Releases: main, 12.4
Change-Id: I825d41ac32ebb9297975ab3353c1807eb305f796
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/81108


Tested-by: core-ci <typo3@b13.com>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>