Bring back better findinmap resolution

[kddejong]

Issue #, if available:
fix #3531

Description of changes:

• Bring back better findinmap resolution. Only provide resolution errors if all options fail.
• Fix an issue with Mappings with integer keys

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[codecov]

Codecov Report

Attention: Patch coverage is 96.29630% with 2 lines in your changes missing coverage. Please review.

Project coverage is 93.77%. Comparing base (240e525) to head (52943b3).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/cfnlint/context/_mappings.py	66.66%	0 Missing and 1 partial ⚠️
src/cfnlint/rules/functions/_BaseFn.py	90.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3579      +/-   ##
==========================================
- Coverage   93.77%   93.77%   -0.01%     
==========================================
  Files         356      356              
  Lines       12086    12111      +25     
  Branches     2587     2598      +11     
==========================================
+ Hits        11334    11357      +23     
  Misses        411      411              
- Partials      341      343       +2     

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