[FIX] Announcement with multiple lines fixed.

[yash-rajpal]

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Proposed changes (including videos or screenshots)

Announcements with multiple lines used to break UI for announcements bar. Fixed it by replacing all break lines in announcement with empty space (" ") . The announcement modal would work as usual and show all break lines.

Issue(s)

fixes #20380

Steps to test or reproduce

check issue.

Further comments