Fix: wrong next state in regex state in Lucene and SQLServer modes

[mkslanc]

Issue #, if available: #5135

Description of changes:

• Fix wrong next state in Lucene mode
• Fix wrong next state in SQLServer mode
• Add test to check all modes for possible wrong next states

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[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (990745a) 86.83% compared to head (aac99ad) 86.83%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #5139   +/-   ##
=======================================
  Coverage   86.83%   86.83%           
=======================================
  Files         558      558           
  Lines       43718    43731   +13     
  Branches     6794     6795    +1     
=======================================
+ Hits        37962    37975   +13     
  Misses       5756     5756           

Flag	Coverage Δ
unittests	86.83% <100.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/mode/lucene_highlight_rules.js	100.00% <ø> (ø)
src/mode/sqlserver_highlight_rules.js	100.00% <ø> (ø)
src/mode/_test/highlight_rules_test.js	65.53% <100.00%> (+1.78%)	⬆️

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[nightwing]

In _test folder we have some tests for similar situations, could you add one for this too