Update strengthify and fix password strength

[MorrisJobke]

• fixes jQuery.globalEval()={} - Problem with password strength and files_markdown #4067
• uses Use eval directly strengthify#14

cc @michaelletzgus @LukasReschke @nextcloud/javascript

[mention-bot]

@MorrisJobke, thanks for your PR! By analyzing the history of the files in this pull request, we identified @rullzer, @nickvergessen and @ChristophWurst to be potential reviewers.

[codecov-io]

Codecov Report

Merging #4083 into master will decrease coverage by <.01%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #4083      +/-   ##
============================================
- Coverage     54.24%   54.24%   -0.01%     
  Complexity    21285    21285              
============================================
  Files          1310     1310              
  Lines         81187    81189       +2     
  Branches       1284     1284              
============================================
- Hits          44038    44037       -1     
- Misses        37149    37152       +3

Impacted Files	Coverage Δ	Complexity Δ
lib/private/Files/Cache/Propagator.php	94.93% <0%> (-1.27%)	16% <0%> (ø)
core/js/js.js	62.17% <0%> (-0.15%)	0% <0%> (ø)

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[rullzer]

Seems to work

[rullzer]

Ah conflicts!

[MorrisJobke]

Ah conflicts!

Fixed - was only in the gitignore of core/vendor