#General Hide tooltip when hovering over other element

[gtandersen]

Describe the bug
Some tooltips in the UI obstruct other buttons, making them impossible to click until the mouse is moved sufficiently away from the initial element.

To Reproduce
Steps to reproduce the behavior:

1. Go to https://runbox.com/app/
2. Hover over the "Synchronize index" button in the lower left corner
3. Observe that a tooltip is shown that hides the button "Compose bug report"

Expected behavior
The tooltip should disappear when hovering over another button or link.

Desktop (please complete the following information):

• OS: macOS
• Browser: Firefox

[juanpeha]

likely fixed by 9361e4f