Refactor TinyMCEEditorField: support custom TinyMCE configuration

[hasansezertasan]

I'm not sure if my approach with config attribute is the right way to do it but its better than strict and its something...

TinyMCE is quite configurable: Here are some examples: TinyMCE 6 examples | TinyMCE Documentation

[jowilf]

Thank you for your contribution. I've added some comments; could you please review them?

[hasansezertasan]

@jowilf this and #379 follows the same pattern for "configuration". I removed unnecessary templates and used ".data()" to get the "data" attributes, instead of plain .attr() method.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (d76582d) 100.00% compared to head (01fcc96) 100.00%.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #380   +/-   ##
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  Coverage   100.00%   100.00%           
=========================================
  Files           75        75           
  Lines         5767      5779   +12     
=========================================
+ Hits          5767      5779   +12     

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[hasansezertasan]

The changes you made don't seem to break anything. I was being cautious with all "if-else" things but I think that's the developer's job to be careful about it now.