Fix certain title bar elements not being interactive on Windows (#49781) (cherry-pick to preview) (#49782)

zed-zippy[bot] and John Tur created

Cherry-pick of #49781 to preview

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https://github.com/zed-industries/zed/pull/48330 caused the title bar to
start eating input events below these controls. We should find a way to
make the title bar handling less busted, but this will do for now.

Before you mark this PR as ready for review, make sure that you have:
- [X] Added a solid test coverage and/or screenshots from doing manual
testing
- [X] Done a self-review taking into account security and performance
aspects

Release Notes:

- N/A

Co-authored-by: John Tur <john-tur@outlook.com>

Change summary

crates/title_bar/src/collab.rs            | 1 +
crates/title_bar/src/onboarding_banner.rs | 1 +
2 files changed, 2 insertions(+)

Detailed changes