Deprecate element dom_id and dom_id_class

[tvdeyen]

What is this pull request for?

Relying on an implicit DOM id and class in element_view_for is deprecated.

Please provide an explicit id or class if you actually want to render these attributes on the element wrapper tag.

Please pass an explicit id to the element_view_for helper instead.

Checklist

• I have followed Pull Request guidelines
• I have added a detailed description into each commit message
• I have added tests to cover this change

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.47%. Comparing base (86cdac7) to head (761e20f).
Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3005   +/-   ##
=======================================
  Coverage   96.46%   96.47%           
=======================================
  Files         237      237           
  Lines        6393     6403   +10     
=======================================
+ Hits         6167     6177   +10     
  Misses        226      226           

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[mamhoff]

The notice about using headline elements with an anchor tag should go into the changelog, IMO.

[tvdeyen]

The notice about using headline elements with an anchor tag should go into the changelog, IMO.

The changelog is automatically created from PR titles.

Also it is only one of the possible solutions to add an ID to the element wrapper.