[BUGFIX] Show correct icon for textmedia in page module

Resolves: #70144
Releases: master
Change-Id: I9a5d6360b5f58fe46e65c6be508a3d7c6859015d
Reviewed-on: https://review.typo3.org/45161


Reviewed-by: Josef Glatz <josef.glatz@typo3.org>
Tested-by: Josef Glatz <josef.glatz@typo3.org>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>