steps to reproduce
On a wiki (local, beta, or production) with a quicksurvey configured, set your language preference to an RTL language, such as Hebrew.
Navigate to a survey and note that the close button is displayed in the upper right hand corner of the survey panel; the same location as in LTR languages, such as English:
It should display in the upper-left corner instead, something like:
(note that the above image is just a quick mockop to demonstrate the principle of the problem)