Fixing issue #2090 Searching night mode

[pereiraJr]

Searching for images or categories in night mode works but the words doesn't show neither the recent researches.

Fixes #2090 Searching on Night Mode

What changes did you make and why?
Ux changes to be more clean on night mode

Tests performed (required)
Exploratory testing

Screenshots showing what changed (optional - for UI changes)

[codecov-io]

Codecov Report

Merging #2095 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master   #2095   +/-   ##
======================================
  Coverage    4.02%   4.02%           
======================================
  Files         226     226           
  Lines       11467   11467           
  Branches     1064    1064           
======================================
  Hits          461     461           
  Misses      10972   10972           
  Partials       34      34

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[neslihanturan]

Thanks for your first time contribution @pereiraJr :) I have made some notes, please consider them. By the way it can be nice adding before after UI comparisons for such UI changes
Basically before:

And after:

There is a nice UI improvement. But you changed some of files you shouldn't. Whenever you fixed them we can review your PR again.

[neslihanturan]

As final decision, I request changes @pereiraJr :)

[domdomegg]

After merging into master it doesn't seem to work for me:

Expected	Actual

Also as I was trying to get this to work I've made some improvements to the search UI (see #2189), which might have an impact on how this is implemented. Might make it easier actually, as both can have the same toolbar colours. Will handle merge conflicts if they happen if that is merged first, please tag me if needed.