Error property added plus getter and checker for it
modError is instantiated when sending fails
Error getter renamed
Integrated multiuploaddialog into MODx core
Replacing old uploaddialog code with new multiuploaddialog code
Integrated multiuploaddialog into MODx core
Replacing old uploaddialog code with new multiuploaddialog code
Revert "Replacing old uploaddialog code with new multiuploaddialog code"

This reverts commit 271b721d16c22b00873198cc065544c2d8e1dcd6.
Keep old UploadDialog for BC, support for setting 'permitted_extensions'.
Use new MultiUploadDialog
Merge conflicts from reverting a commit
Check for additional valid MIME types for zip files.

Wondered why my local transport packages aren't valid zip-files for MODx until I found out that Firefox is uploading them with MIME type 'application/x-zip-compressed'.
Ignore case on MIME type check
fix media source directive of a TV when the value is retrieved by another context
Fix Incorrect urlAbsolute Path

Closes modxcms/revolution#11291
Translated new phrases to German

* origin/pr/11289:
  Translated new phrases to German
Check for additional valid MIME types for zip files during package upload

* origin/pr/11274:
  Ignore case on MIME type check
  Check for additional valid MIME types for zip files.
Fix Incorrect urlAbsolute Path

* origin/pr/11292:
  Fix Incorrect urlAbsolute Path
Update dashboard CSS
Rebasing + generating index.css