fix(agent): Add missing errors decode and prioritization

[zsistla]

Add remaining error codes listed in https://github.com/php/php-src/blob/master/Zend/zend_errors.h for completeness in decoding and prioritizing errors.

Added/modified tests accordingly.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.76%. Comparing base (86f7753) to head (4c22eb7).

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #850      +/-   ##
==========================================
+ Coverage   78.71%   78.76%   +0.04%     
==========================================
  Files         193      193              
  Lines       27109    27125      +16     
==========================================
+ Hits        21339    21365      +26     
+ Misses       5770     5760      -10     

Flag	Coverage Δ
agent-for-php-7.0	77.82% <100.00%> (+0.03%)	⬆️
agent-for-php-7.1	77.58% <100.00%> (+0.06%)	⬆️
agent-for-php-7.2	78.15% <100.00%> (+0.06%)	⬆️
agent-for-php-7.3	78.17% <100.00%> (+0.06%)	⬆️
agent-for-php-7.4	77.87% <100.00%> (+0.09%)	⬆️
agent-for-php-8.0	77.90% <100.00%> (+0.05%)	⬆️
agent-for-php-8.1	77.88% <100.00%> (+0.05%)	⬆️
agent-for-php-8.2	?
agent-for-php-8.3	77.48% <100.00%> (+0.06%)	⬆️

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[airtonzanon]

I think with this change, flagging the Error.Class of different types of errors and their own class and not as Error, solves the problem on #843, no?

[zsistla]

I think with this change, flagging the Error.Class of different types of errors and their own class and not as Error, solves the problem on #843, no?

HI @airtonzanon thanks for participating in the repo discussions.
This fixes the E_DEPRECATED and E_USER_DEPRECATED being reported with error class Error.
The other issues in 843 center around the increase in all errors being reported that were previously not reported if they were handled by error handlers other than PHPs standard error handler. We are still investigating paths forward with that issue.