Add better error messaging for failed expression eval and parsing

[adierkens]

Now provides both the source of the error and the context for the expression that failed

Release Notes

Improved error messages for parse and eval failures for expressions

[codecov]

Codecov Report

Attention: 3 lines in your changes are missing coverage. Please review.

Comparison is base (c92e13f) 82.21% compared to head (36c1887) 82.16%.
Report is 16 commits behind head on main.

Files	Patch %	Lines
core/player/src/expressions/evaluator.ts	70.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #239      +/-   ##
==========================================
- Coverage   82.21%   82.16%   -0.06%     
==========================================
  Files         132      132              
  Lines        4544     4546       +2     
  Branches     1118     1119       +1     
==========================================
- Hits         3736     3735       -1     
- Misses        531      534       +3     
  Partials      277      277              

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