[4.0] Typed tags get added in autocomplete list

[Harshil99]

Steps to reproduce the issue

• Create one or more tags in the Tags component.
• Go and create a new article.
• Type a tag from Tags component.
• Clear the tag you wrote.
• Type that same tag again.

Expected result

Autocomplete list (without duplicate) of tags as per typed letters.

Actual result

Typed tags (one from Tags component) get added to autocomplete list.

System information (as much as possible)

Joomla 4 alpha 7

Additional comments

[amitranjan2]

issue confirmed

[amitranjan2]

@dgrammatiko Is this choice.js issue or joomla?

[ghost]

@dgrammatiko can you please comment?

[ghost]

@wilsonge can you please comment as Release Lead 4?

[Quy]

No longer reproducible in the latest nightly build.

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