Ignore modal styles "swal2" when purging unused CSS #20

[sedan07]

The CSS for the modal window was missing as it gets added dynamically to the HTML. Ignoring anything prefixed with swal2- when purging unused styles seems to solve the issue.

[codecov-io]

Codecov Report

Merging #27 (5ed3464) into 2.5 (b797f36) will increase coverage by 0.04%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##                2.5      #27      +/-   ##
============================================
+ Coverage     55.88%   55.92%   +0.04%     
  Complexity     1264     1264              
============================================
  Files           275      275              
  Lines          4803     4803              
============================================
+ Hits           2684     2686       +2     
+ Misses         2119     2117       -2     

Impacted Files	Coverage Δ	Complexity Δ
app/Integrations/Core/System.php	87.17% <0.00%> (+2.56%)	13.00% <0.00%> (ø%)
app/Presenters/ComponentPresenter.php	100.00% <0.00%> (+5.26%)	10.00% <0.00%> (ø%)

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