Fix bubble user education if bubble is on the right (part 2)

When the manage user education is shown on the Phone:
* It's always on the left for LTR languages and on the right for the RTL.

When the manage user education is shown on the Tablet:
* It's pinned to the same side of the screen where the bubble stack is

Note: Screenshots attached in the bug comments

Bug: 302520752
Test: manual
Flag: none
Change-Id: Ib65f3108843ff79df22f1bef2dd484619c76e53a