Change text on search button

[BlackYps]

Changes the text on the search button that is used in the matchmaker tab.
Apparently people regularly don't realize that they need to press this button to actually start searching, so the text is more explicit now.

Btw, do existing translations automatically get some sort of mark that the original text has changed and they need retranslation?

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 58.86%. Comparing base (60c84a7) to head (de3d17d).

❗ Current head de3d17d differs from pull request most recent head d8b44d2. Consider uploading reports for the commit d8b44d2 to get more accurate results

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #3157      +/-   ##
=============================================
+ Coverage      58.84%   58.86%   +0.02%     
  Complexity      3986     3986              
=============================================
  Files            576      576              
  Lines          19296    19290       -6     
  Branches        1022     1019       -3     
=============================================
+ Hits           11355    11356       +1     
+ Misses          7446     7439       -7     
  Partials         495      495              

see 4 files with indirect coverage changes

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[Sheikah45]

They do not that is why a new key should be used instead of reusing an old one.