[ticket/13022] Condition Return to advanced search link

PHPBB3-13022
[ticket/13022] Remove ternary condition

PHPBB3-13022
[ticket/13022] Language adjustments

PHPBB3-13022
Merge pull request #2927 from Senky/ticket/13022

[ticket/13022] "Return to advanced search" wrong assumption

* Senky/ticket/13022:
  [ticket/13022] Language adjustments
  [ticket/13022] Remove ternary condition
  [ticket/13022] Condition Return to advanced search link