Make documents diabled when CopyTo or MoveTo flow

While CopyTo or MoveTo flow, documents are all enabled but it will
not present any action after click. It confuse users.
Only enable forlders when action is ACTION_PICK_COPY_DESTINATION.

Bug: 117425641
Test: atest DocumentUITests
Change-Id: I3dda59ff54a782860d4356c8bfdcd93ee47e29f6
2 files changed