[#9608] Remove connections data from MODx.config
[#9631] Fix image preview with special chars in filename

Fixes errors when loading images preview with "&", "+" and other url signs.

Signed-off-by: Indomian <egor.b@fabricasaitov.ru>
(cherry picked from commit 22b4b3f0f01b1baaad3fc12a1eda4bc09ae492f6)
Merge branch 'release-2.2' into develop

* release-2.2:
  [#9631] Fix image preview with special chars in filename
  [#9608] Remove connections data from MODx.config

Conflicts:
	core/docs/changelog.txt