feat: replace code studio home icon with "Code Studio" as label

[dsmmcken]

Fixes #1794

• Label home as "vsTerminal Code Studio"
• Make it part of the navtab list to get an active state
• Allow navtab list to accept an Icon | JSX.Element

[codecov]

Codecov Report

Attention: Patch coverage is 7.69231% with 12 lines in your changes are missing coverage. Please review.

Project coverage is 46.26%. Comparing base (9e9e272) to head (8dce5a9).

Files	Patch %	Lines
packages/code-studio/src/main/AppMainContainer.tsx	12.50%	7 Missing ⚠️
packages/components/src/navigation/NavTab.tsx	0.00%	4 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1951      +/-   ##
==========================================
- Coverage   46.26%   46.26%   -0.01%     
==========================================
  Files         656      656              
  Lines       38455    38460       +5     
  Branches     9725     9730       +5     
==========================================
  Hits        17792    17792              
- Misses      20610    20615       +5     
  Partials       53       53              

Flag	Coverage Δ
unit	46.26% <7.69%> (-0.01%)	⬇️

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