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
added a gender in between
Should take care of resources duplication/reordering when a custom root_id is defined.

See #11343
Should fix a conflict in cache namespace partition

See #11329
Fixes #8992, ResourceGroup save dialog not closing
Adds missing User Group / User icons
Adds missing User Group / User icons

* origin/pr/11353:
  Adds missing User Group / User icons
Fixes a conflict in cache namespace partition

* origin/pr/11345:
  Should fix a conflict in cache namespace partition
Take care of resources duplication/reordering when a custom root_id is defined.

* origin/pr/11344:
  Should take care of resources duplication/reordering when a custom root_id is defined.
Fixed events called in modResourceGroupCreateProcessor

* origin/pr/11351:
  Fixes #8992, ResourceGroup save dialog not closing
Added B to file size to indicate measure in bytes, fixing #4872
[2.3] Fix tooltip bg images
Fix tooltip bg images

* origin/pr/11366:
  [2.3] Fix tooltip bg images