Incorrect pointing of warning in WRONG_INDENTATION Rule

[kgevorkyan]

What's done:

• Fix pointing of warning in WRONG_INDENTATION Rule
• Add tests

[codecov]

Codecov Report

Merging #1024 (7186c4a) into master (88f5d64) will increase coverage by 0.03%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master    #1024      +/-   ##
============================================
+ Coverage     83.77%   83.80%   +0.03%     
- Complexity     2419     2424       +5     
============================================
  Files           102      102              
  Lines          6107     6108       +1     
  Branches       1808     1809       +1     
============================================
+ Hits           5116     5119       +3     
  Misses          273      273              
+ Partials        718      716       -2     

Flag	Coverage Δ
unittests	83.80% <100.00%> (+0.03%)	⬆️

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Impacted Files	Coverage Δ
...at/ruleset/rules/chapter3/files/IndentationRule.kt	87.41% <100.00%> (+1.49%)	⬆️

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