**Steps to replicate the issue** (include links if applicable):
* Go to pl.m.wikipedia to an unreviewed page.
* Click on "Anuluj zmiany" (wpReject).
* (optional) change message rejecting changes.
* Confirm rejection.
**What happens?**:
Shows desktop page with some session related message and changes are not rejected.
**What should have happened instead?**:
Show mobile page, changes should be rejected (withdrawn; reverted with a message).
**Software version** (skip for WMF-hosted wikis like Wikipedia):
-
I think it worked last week or a week before that (not sure when did I last use mobile rejections). So maybe related to mobile diff changes? T353479
**Other information** (browser name/version, screenshots, etc.):
| starting the process | session message | my browser |
| {F42243025} | {F42243040} | {F42243058} |