[stable12] Fix translation bug on lost password page

[remyj38]

During resetting user's password, the controller return the untranslated message (from basic exception) instead of the hint message (translated).

Fixnextcloud/password_policy#26

Signed-off-by: Rémy Jacquin remy@remyj.fr

[ChristophWurst]

Thanks! 🚀

[codecov]

Codecov Report

Merging #9549 into stable12 will decrease coverage by <.01%.
The diff coverage is 50%.

@@ Coverage Diff @@## stable12 #9549 +/- ##
==============================================
- Coverage 53.91% 53.91% -0.01% - Complexity 22785 22786 +1 
==============================================
Files 1387 1387 Lines 87300 87302 +2 Branches 1331 1331 ==============================================
+ Hits 47070 47071 +1 - Misses 40230 40231 +1

Impacted Files	Coverage Δ	Complexity Δ
core/Controller/LostController.php	80.13% <50%> (-0.41%)	30 <0> (+1)