Improves error handling of method application args type checking.

[esdrubal]

Description

In some cases args type checking is returning an error in the handler but not in the result.
With this fix we check the handler for errors too.

Fixes #5659

Checklist

• I have linked to any relevant issues.
• I have commented my code, particularly in hard-to-understand areas.
• I have updated the documentation where relevant (API docs, the reference, and the Sway book).
• I have added tests that prove my fix is effective or that my feature works.
• I have added (or requested a maintainer to add) the necessary Breaking* or New Feature labels where relevant.
• I have done my best to ensure that my PR adheres to the Fuel Labs Code Review Standards.
• I have requested a review from the relevant team or maintainers.

[github-actions]

Benchmark for 56724fe

Click to view benchmark

Test	Base	PR	%
code_action	5.4±0.08ms	5.2±0.02ms	-3.70%
code_lens	306.7±12.66ns	346.1±18.19ns	+12.85%
compile	5.7±0.14s	5.7±0.08s	0.00%
completion	4.9±0.16ms	4.8±0.02ms	-2.04%
did_change_with_caching	5.1±0.05s	5.1±0.03s	0.00%
document_symbol	986.7±31.89µs	964.9±16.09µs	-2.21%
format	70.0±0.96ms	69.4±0.99ms	-0.86%
goto_definition	357.3±3.03µs	359.9±6.47µs	+0.73%
highlight	9.1±0.01ms	8.8±0.17ms	-3.30%
hover	582.0±5.11µs	597.2±17.36µs	+2.61%
idents_at_position	121.9±0.38µs	121.9±1.28µs	0.00%
inlay_hints	659.8±11.49µs	646.4±9.20µs	-2.03%
on_enter	488.8±13.27ns	486.2±9.86ns	-0.53%
parent_decl_at_position	3.7±0.03ms	3.6±0.16ms	-2.70%
prepare_rename	360.4±5.00µs	361.4±6.69µs	+0.28%
rename	9.6±0.12ms	9.2±0.03ms	-4.17%
semantic_tokens	1048.0±9.28µs	1047.3±17.18µs	-0.07%
token_at_position	359.9±2.23µs	356.9±2.08µs	-0.83%
tokens_at_position	3.7±0.02ms	3.6±0.03ms	-2.70%
tokens_for_file	419.5±2.30µs	414.0±2.77µs	-1.31%
traverse	42.0±1.33ms	43.4±1.91ms	+3.33%

[github-actions]

Benchmark for c852595

Click to view benchmark

Test	Base	PR	%
code_action	5.3±0.05ms	5.3±0.17ms	0.00%
code_lens	287.0±8.17ns	292.0±7.96ns	+1.74%
compile	6.2±0.08s	6.3±0.09s	+1.61%
completion	4.8±0.10ms	4.8±0.09ms	0.00%
did_change_with_caching	5.7±0.05s	5.7±0.07s	0.00%
document_symbol	1015.7±28.42µs	953.1±21.13µs	-6.16%
format	70.4±1.39ms	72.8±1.34ms	+3.41%
goto_definition	357.2±5.61µs	357.5±7.06µs	+0.08%
highlight	8.9±0.68ms	8.8±0.07ms	-1.12%
hover	653.5±20.41µs	602.9±18.31µs	-7.74%
idents_at_position	122.1±0.97µs	122.7±1.49µs	+0.49%
inlay_hints	666.6±40.29µs	655.1±34.08µs	-1.73%
on_enter	498.4±12.89ns	485.5±10.24ns	-2.59%
parent_decl_at_position	3.6±0.08ms	3.7±0.32ms	+2.78%
prepare_rename	357.9±6.05µs	354.8±8.79µs	-0.87%
rename	9.2±0.04ms	9.2±0.24ms	0.00%
semantic_tokens	1036.5±14.72µs	1058.2±25.44µs	+2.09%
token_at_position	358.9±6.69µs	351.7±3.74µs	-2.01%
tokens_at_position	3.6±0.03ms	3.6±0.07ms	0.00%
tokens_for_file	414.6±1.86µs	409.3±3.59µs	-1.28%
traverse	44.8±1.50ms	45.0±1.49ms	+0.45%