[CIS-1082] Internet connection handling

[evsaev]

This PR updates ChatClient to disconnect immediately when the Internet connection disappears

[codecov-commenter]

Codecov Report

Merging #1449 (322c108) into main (4bb1571) will increase coverage by 0.08%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #1449      +/-   ##
==========================================
+ Coverage   88.25%   88.33%   +0.08%     
==========================================
  Files         229      229              
  Lines       10327    10356      +29     
==========================================
+ Hits         9114     9148      +34     
+ Misses       1213     1208       -5     

Flag	Coverage Δ
llc-tests	88.33% <100.00%> (+0.08%)	⬆️

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Impacted Files	Coverage Δ
Sources/StreamChat/ChatClient.swift	93.68% <100.00%> (+0.49%)	⬆️
.../Utils/InternetConnection/InternetConnection.swift	58.55% <0.00%> (+4.50%)	⬆️

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