Fix: strategy feature flag error message i18n issue

What does this MR do and why?

The error messages were not the translated version, this MR adds translations to the error message so that the prompt will be readable for user who doesn't speak English.

/cc @prajnamas @qk44077907 @orozot @fenyuluoshang @icbd

Fix: strategy feature flag error message i18n issue

• Apply translations for strategy FF messages.

Screenshots or screen recordings

Screenshot with issue

Because the translation will only be available after i18n being merged into the repo, so there will be no comparison screenshots here.

Screenshots are required for UI changes, and strongly recommended for all other merge requests.

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

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