improve banner styling when switching languages

[100xmanas]

Fixes #3684

Description:
This PR improves the styling of the banner message when users switch languages.

before

500286459-e943c814-e7e3-40fd-82b0-7bf538e3475c.mov

After

1018.mp4

Changes:

I have verified that this pull request:

• has no linting errors (npm run lint)
• has no test errors (npm run test)
• is from a uniquely-named feature branch and is up to date with the develop branch.
• is descriptively named and links to an issue number, i.e. Fixes #123
• meets the standards outlined in the accessibility guidelines

[yugalkaushik]

Hi @100xmanas thank you for the changes but web editor uses consistent styling and colors for all the components so fixed color are not suitable.

[100xmanas]

@yugalkaushik

fixed!

Apply consistent styling and colors to the banner

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If there's anything else, please let me know -- I'm happy to improve it further! 😊

[yugalkaushik]

LGTM

[100xmanas]

Thanks for reviewing!