fix: fix setting ref values and pass down slots and attrs

[Cysword]

Add a method to add errors to a field
Add method to set a field to isValid === false
Update methods to also handle when the values are not refs anymore
Add support for fields to inherit passed attributes and slots

[nx-cloud]

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[codecov]

Codecov Report

Attention: Patch coverage is 77.19298% with 13 lines in your changes missing coverage. Please review.

Project coverage is 60.98%. Comparing base (1b5225e) to head (4878c5f).
Report is 2 commits behind head on beta.

Files with missing lines	Patch %	Lines
libs/core/src/form/Field.ts	78.12%	0 Missing and 7 partials ⚠️
libs/core/src/utils/updateMaybeRef.ts	50.00%	2 Missing and 2 partials ⚠️
libs/core/src/utils/createField.ts	87.50%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             beta     #250      +/-   ##
==========================================
+ Coverage   60.75%   60.98%   +0.23%     
==========================================
  Files          94       95       +1     
  Lines        1873     1902      +29     
  Branches      251      256       +5     
==========================================
+ Hits         1138     1160      +22     
- Misses        490      492       +2     
- Partials      245      250       +5     

Flag	Coverage Δ
unit	60.98% <77.19%> (+0.23%)	⬆️

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[EdieLemoine]

is dit een fix of echt een feature? titel is ook veel te lang