Fix line terminators in template strings

[raskad]

This PR fixes some issues with different line terminators in templates strings.

The issues where caused by some unhandled line terminators in raw strings and double handling by Cursor of the string codepoints in the cooked strings.

[codecov]

Codecov Report

Attention: 56 lines in your changes are missing coverage. Please review.

Comparison is base (39ba999) 47.38% compared to head (b67c40f) 47.24%.
Report is 5 commits behind head on main.

Files	Patch %	Lines
core/parser/src/lexer/template.rs	46.05%	41 Missing ⚠️
core/parser/src/parser/expression/primary/mod.rs	20.00%	8 Missing ⚠️
...rser/src/parser/expression/primary/template/mod.rs	25.00%	6 Missing ⚠️
core/parser/src/lexer/token.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3641      +/-   ##
==========================================
- Coverage   47.38%   47.24%   -0.15%     
==========================================
  Files         476      476              
  Lines       46617    46892     +275     
==========================================
+ Hits        22090    22154      +64     
- Misses      24527    24738     +211     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[github-actions]

Test262 conformance changes

Test result	main count	PR count	difference
Total	96,310	96,310	0
Passed	80,280	80,286	+6
Ignored	4,217	4,217	0
Failed	11,813	11,807	-6
Panics	0	0	0
Conformance	83.36%	83.36%	+0.01%

Fixed tests (6):

test/built-ins/String/raw/special-characters.js [strict mode] (previously Failed)
test/built-ins/String/raw/special-characters.js (previously Failed)
test/language/expressions/template-literal/tv-line-terminator-sequence.js [strict mode] (previously Failed)
test/language/expressions/template-literal/tv-line-terminator-sequence.js (previously Failed)
test/language/expressions/template-literal/tv-line-continuation.js [strict mode] (previously Failed)
test/language/expressions/template-literal/tv-line-continuation.js (previously Failed)

[HalidOdat]

Nice catch! :)