[Merged by Bors] - Fix for-of expression parsing

[HalidOdat]

This PR makes parsing of expressions in for-of loops use AssignmentExpression expression parsing as defined in the spec.

[github-actions]

Test262 conformance changes

Test result	main count	PR count	difference
Total	94,593	94,593	0
Passed	73,200	73,206	+6
Ignored	17,532	17,532	0
Failed	3,861	3,855	-6
Panics	0	0	0
Conformance	77.38%	77.39%	+0.01%

Fixed tests (6):

test/language/statements/for-of/head-var-no-expr.js [strict mode] (previously Failed)
test/language/statements/for-of/head-var-no-expr.js (previously Failed)
test/language/statements/for-of/head-decl-no-expr.js [strict mode] (previously Failed)
test/language/statements/for-of/head-decl-no-expr.js (previously Failed)
test/language/statements/for-of/head-expr-no-expr.js [strict mode] (previously Failed)
test/language/statements/for-of/head-expr-no-expr.js (previously Failed)

[codecov]

Codecov Report

Merging #2882 (fb0d02a) into main (c738b50) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main    #2882   +/-   ##
=======================================
  Coverage   51.24%   51.24%           
=======================================
  Files         427      427           
  Lines       42522    42525    +3     
=======================================
+ Hits        21790    21794    +4     
+ Misses      20732    20731    -1     

Impacted Files	Coverage Δ
...er/src/parser/statement/iteration/for_statement.rs	56.50% <100.00%> (+0.66%)	⬆️

... and 1 file with indirect coverage changes

[Razican]

Good catch!

[raskad]

bors r+

[bors]

Pull request successfully merged into main.

Build succeeded:

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