[TASK] Replace icon by IconFactory: mimetypes-x-content-page-language-overlay

Resolves: #69688
Releases: master
Change-Id: Id1afbbaf2680fb9b1a3a944fdabc1d664a7464b2
Reviewed-on: http://review.typo3.org/43221


Reviewed-by: Andreas Fernandez <typo3@scripting-base.de>
Tested-by: Andreas Fernandez <typo3@scripting-base.de>
Reviewed-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Tested-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Reviewed-by: Nicole Cordes <typo3@cordes.co>
Tested-by: Nicole Cordes <typo3@cordes.co>