fix: Typeahead menu renders multiple times

[przemvs]

Description

Input bar Emojis Picker and Mentions renders multiple times new DOM Element for typeahead menu. Now we render only one time typeahead menu with different id for EmojisPicker and Mentions popover.

Screenshots/Screencast (for UI changes)

Checklist

• PR has been self reviewed by the author;
• Hard-to-understand areas of the code have been commented;
• If it is a core feature, unit tests have been added;

Important details for the reviewers

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[codecov]

Codecov Report

Merging #16016 (9510900) into dev (6b34cbf) will increase coverage by 0.09%.
Report is 6 commits behind head on dev.
The diff coverage is 60.00%.

@@            Coverage Diff             @@
##              dev   #16016      +/-   ##
==========================================
+ Coverage   44.70%   44.79%   +0.09%     
==========================================
  Files         701      701              
  Lines       23303    23301       -2     
  Branches     5289     5291       +2     
==========================================
+ Hits        10417    10438      +21     
+ Misses      11528    11504      -24     
- Partials     1358     1359       +1