fix: reloading logic for multi compiler mode

[alexander-akait]

• This is a bugfix
• This is a feature
• This is a code refactor
• This is a test update
• This is a docs update
• This is a metadata update

For Bugs and Features; did you add new tests?

WIP on tests

Motivation / Use-Case

fixes #3803

Breaking Changes

No

Additional Info

No

[codecov]

Codecov Report

Merging #3841 (916a04b) into master (e019bd2) will increase coverage by 0.05%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #3841      +/-   ##
==========================================
+ Coverage   92.64%   92.70%   +0.05%     
==========================================
  Files          14       14              
  Lines        1333     1329       -4     
  Branches      471      466       -5     
==========================================
- Hits         1235     1232       -3     
+ Misses         90       89       -1     
  Partials        8        8              

Impacted Files	Coverage Δ
client-src/index.js	81.37% <100.00%> (+0.18%)	⬆️
client-src/utils/reloadApp.js	81.48% <100.00%> (+0.23%)	⬆️

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