[BUGFIX] EXT:css_styled_content: always render all images

In CssStyledContentController::render_textpic if $accessibilityMode
evaluates to false and $separateRows is also false, $allRows is never
added to $thisImages. This causes images to not be outputted
to the frontend.

Resolves: #79687
Releases: master
Change-Id: I918741aaa8724837ef87567d481072ceedf275fa
Reviewed-on: https://review.typo3.org/51585


Reviewed-by: Daniel Goerz <ervaude@gmail.com>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Benjamin Kott <benjamin.kott@outlook.com>
Tested-by: Benjamin Kott <benjamin.kott@outlook.com>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>