Expose keyboard position handling function to outside world.

[chupakabr]

No description provided.

[codecov-io]

Codecov Report

Merging #445 into master will increase coverage by 0.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #445      +/-   ##
==========================================
+ Coverage   64.45%   64.47%   +0.01%     
==========================================
  Files          74       74              
  Lines        3849     3851       +2     
==========================================
+ Hits         2481     2483       +2     
  Misses       1368     1368

Impacted Files	Coverage Δ
...Source/ChatController/BaseChatViewController.swift	82.63% <100%> (+0.18%)	⬆️

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