[ticket/12185] Fixing the width of topic header for translation.

PHPBB3-12185
[ticket/12185] Fix and increase width

PHPBB3-12185
Merge remote-tracking branch 'Elsensee/ticket/suheb/12185' into develop-ascraeus

* Elsensee/ticket/suheb/12185:
  [ticket/12185] Fix and increase width
  [ticket/12185] Fixing the width of topic header for translation.