fix: warnings in overlay

[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?

tested manually

Motivation / Use-Case

fix warning in console

Breaking Changes

No

Additional Info

No

[codecov]

Codecov Report

Merging #3054 (1f87063) into master (c773d1f) will decrease coverage by 0.23%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #3054      +/-   ##
==========================================
- Coverage   92.30%   92.06%   -0.24%     
==========================================
  Files          37       37              
  Lines        1260     1261       +1     
  Branches      327      328       +1     
==========================================
- Hits         1163     1161       -2     
- Misses         92       95       +3     
  Partials        5        5              

Impacted Files	Coverage Δ
lib/Server.js	94.44% <ø> (-0.23%)	⬇️
client-src/default/index.js	92.39% <100.00%> (+0.08%)	⬆️
lib/utils/routes.js	94.64% <0.00%> (-3.58%)	⬇️

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[alexander-akait]

In future, we need focus on tests, especial e2e with overlay and web sockets