Open Radar

 
Summary:
The new screenshot UI in Mojave works great, however, the UX for sharing the screenshot could be better. When you right-click the floating screenshot window [1], you get a menu with some actions, for example, "Open in Photos", but these are hard-coded to just a few Apple apps. It would be much more useful for users if it had a "Open With" menu (like when right-clicking a file in Finder). That way the user could quickly open the screenshot in any third-party app. It would also be useful for users if they could share the screenshot right away with a system "Share" menu instead of first having to open the Quick Look preview and then clicking the share button there.

[1]: https://user-images.githubusercontent.com/117983/52724171-72c90800-2f74-11e9-9b4c-6468dca6a924.png

Steps to Reproduce:
Take a screenshot and then right-click the floating screenshot window at the bottom-right of the screen.

Expected Results:
I expected this menu to have a "Open With" and "Share" menu item.

Actual Results:
It doesn't, so sharing a screenshot with a service or editing it further in a third-party app becomes harder.

Version:
macOS 10.14.3

Notes:
Relevant GitHub issue: https://github.com/sindresorhus/gifski-app/issues/62