Breaking: #68321 - Move language and images in rtehtmlarea

See Issue #68321

Description

All language files and images have been moved.

Impact

Labels and images may be not displayed if TypoScript from the sample files is used.

Affected Installations

All installations that use the TypoScript settings from the provided sample files.

Migration

Adjust the path to language and image files according the sample TypoScript files provided by the extension.