Fix redirecting in parseWidget

[alessandrocraeye]

Type

• Non critical bugfix

Resolves the following issues

/

Pull request description

This fixes the following error that occurs when submitting a form that's added via parseWidget:
Type error: Argument 2 passed to Twig\Error\Error::__construct() must be of the type int, null given

Set lineno to the default value -1 (to enable its automatic guessing)

[codecov]

Codecov Report

Merging #3513 (a2e23cc) into master (bd6bcd3) will not change coverage.
The diff coverage is 0.00%.

@@            Coverage Diff            @@
##             master    #3513   +/-   ##
=========================================
  Coverage     27.87%   27.87%           
  Complexity     8150     8150           
=========================================
  Files           575      575           
  Lines         30706    30706           
=========================================
  Hits           8560     8560           
  Misses        22146    22146           

Flag	Coverage Δ
functional	23.78% <0.00%> (ø)
installer	3.84% <0.00%> (ø)
unit	7.69% <0.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/Frontend/Core/Engine/TemplateModifiers.php	9.80% <0.00%> (ø)

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[carakas]

Thanks, sorry for the late merge, must have missed the notification