feat(tags): added SPACE key support for selection (#DS-4265)

[artembelik]

No description provided.

[Copilot]

Pull Request Overview

This PR adds keyboard accessibility support for tag selection using the SPACE key. When a tag has focus, pressing SPACE will now toggle its selection state, providing an alternative to clicking or using ENTER/F2.

Key changes:

• Added SPACE key handler to toggle tag selection in the tag component
• Updated documentation across all tag-related components (tag, tag-list, tag-input, tag-autocomplete) in both English and Russian
• Added comprehensive test coverage for SPACE key functionality

Reviewed Changes

Copilot reviewed 11 out of 11 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
packages/components/tags/tag.component.ts	Added SPACE key import and handlers for selection toggling and event propagation prevention
packages/components/tags/tag.component.spec.ts	Added tests for SPACE key selection behavior and event emission; improved test description clarity
packages/components/tags/tag-list.component.spec.ts	Added tests for SPACE key in multiple selection mode; updated test data structure from string values to objects
packages/components/tags/tag.ru.md	Documented SPACE key selection in Russian
packages/components/tags/tag.en.md	Documented SPACE key selection in English
packages/components/tags/tag-list.ru.md	Documented SPACE key selection in Russian for tag lists
packages/components/tags/tag-list.en.md	Documented SPACE key selection in English for tag lists
packages/components/tags/tag-input.ru.md	Documented SPACE key selection in Russian for tag inputs
packages/components/tags/tag-input.en.md	Documented SPACE key selection in English for tag inputs
packages/components/tags/tag-autocomplete.ru.md	Documented SPACE key selection in Russian for tag autocomplete
packages/components/tags/tag-autocomplete.en.md	Documented SPACE key selection in English for tag autocomplete

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[rmnturov]

можно доработать отдельно, средний приоритет.
а можно делать так, чтобы при нажатии пробела появлялась рамка фокуса? было же управление с клавы. кейс: отметил несколько с помощью ctrl+click. затем нажал пробел, последний выбранный отжался. вот на нем и появится рамка фокуса

[rmnturov]

базово я глянул. круто работает

[artembelik]

можно доработать отдельно, средний приоритет.

DS-4299