tls: Server should generate lazily create sessionIdContext

[Uzlopak]

Probably not significant as you usually only start a Server per instance, but providing it for discussion.

[codecov]

Codecov Report

Attention: Patch coverage is 92.85714% with 1 line in your changes missing coverage. Please review.

Project coverage is 87.09%. Comparing base (3cbeed8) to head (5879fc1).
Report is 257 commits behind head on main.

Files with missing lines	Patch %	Lines
lib/_tls_wrap.js	92.85%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #54298      +/-   ##
==========================================
- Coverage   87.11%   87.09%   -0.02%     
==========================================
  Files         647      647              
  Lines      181773   181802      +29     
  Branches    34889    34889              
==========================================
- Hits       158347   158340       -7     
- Misses      16739    16763      +24     
- Partials     6687     6699      +12     

Files with missing lines	Coverage Δ
lib/_tls_wrap.js	93.35% <92.85%> (-0.04%)	⬇️

... and 33 files with indirect coverage changes