Part of a clip's tooltip is inaccurate after the out point trim handle is dragged half way

This appears to happen regardless of the type of the source file. It could be an image, video, or audio.

Tested with v21.06.29.
Tested on Windows.

The same bug is happening in the Keyframes dock.

I also found some other inaccuracies in plus or minus portion of the help bubble on the Keyframs dock.

And also on the timeline dock if the in trim point is somewhat stuck due to snapping.

I have made a pull request here to address all of these inaccuracies: