Modify SSL to inherit ciphersuites from SSL_CTX at initialization

[smittals2]

Description of changes:

This is a follow up to 154f998.
These changes initialize the SSL object with configured ciphersuites from the parent SSL_CTX object at initialization. Now both SSL and SSL_CTX objects will have their own copy of ciphersuites.

We inherited the behavior of defaulting to SSL_CTX ciphersuites when none are set on SSL from BoringSSL. OpenSSL does things differently and copies the ciphersuites to SSL at init. This behavioral difference is aligned in this PR.

Testing:

A test to ensure changes to SSL_CTX don't impact SSL configurations and we correctly inherit ciphersuites.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license and the ISC license.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.06%. Comparing base (154f998) to head (f39d777).
Report is 15 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2198   +/-   ##
=======================================
  Coverage   79.05%   79.06%           
=======================================
  Files         612      612           
  Lines      106159   106242   +83     
  Branches    15002    15010    +8     
=======================================
+ Hits        83923    83997   +74     
- Misses      21582    21594   +12     
+ Partials      654      651    -3     

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