feat(cdk)!: rename TuiAbstractTextfieldHost to AbstractTuiTextfieldHost

[splincode]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows Conventional Commits
• Tests for the changes have been added (for bug fixes / features)
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PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Refactoring
• Code style update
• Build or CI related changes
• Documentation content changes

What is the current behavior?

Closes #2485

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[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (v3.x@1c09464). Click here to learn what that means.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             v3.x    #2492   +/-   ##
=======================================
  Coverage        ?   56.64%           
=======================================
  Files           ?      954           
  Lines           ?     9183           
  Branches        ?     1881           
=======================================
  Hits            ?     5202           
  Misses          ?     3578           
  Partials        ?      403           

Flag	Coverage Δ
addon-charts	73.64% <0.00%> (?)
addon-doc	19.16% <0.00%> (?)
addon-editor	28.82% <0.00%> (?)
addon-mobile	∅ <0.00%> (?)
addon-table	83.78% <0.00%> (?)
addon-tablebars	∅ <0.00%> (?)
cdk	62.94% <0.00%> (?)
core	62.86% <0.00%> (?)
kit	61.46% <0.00%> (?)
summary	56.64% <0.00%> (?)

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