Fixing boolean field filters in dynamic email content

[dongilbert]

… correctly.

Q	A
Bug fix? (use the a.b branch)	✔️
New feature/enhancement? (use the a.x branch)	❌
Deprecations?	❌
BC breaks? (use the c.x branch)	❌
Automated tests included?	❌
Related user documentation PR URL	mautic/user-documentation#...
Related developer documentation PR URL	mautic/developer-documentation-new#...
Issue(s) addressed	Fixes #...

Description

This PR fixes how boolean type custom fields render in dynamic content within the email builder. Currently, the options available for boolean fields are 0, 1, but it should be No, Yes as shown in the screenshot. This PR adds a new twig filter formFieldFlipBooleanList to address the issue.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 65.61%. Comparing base (167a04a) to head (5297210).

Additional details and impacted files

@@            Coverage Diff            @@
##                7.x   #14791   +/-   ##
=========================================
  Coverage     65.61%   65.61%           
- Complexity    34951    34952    +1     
=========================================
  Files          2299     2299           
  Lines        140579   140583    +4     
=========================================
+ Hits          92245    92248    +3     
- Misses        48334    48335    +1     

Files with missing lines	Coverage Δ
...s/FormBundle/Twig/Extension/FormFieldExtension.php	94.11% <100.00%> (+1.80%)	⬆️

... and 1 file with indirect coverage changes

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[dadarya0]

Thanks @dongilbert

[dadarya0]

Tested working fine.

[nileshlohar]

Code changes LGTM