Clean up AF3 toolbar layout
The AF3 toolbar has several layout issues (see af3-2018-12-zoom-gui-glitch.PNG)
- Zoom control squeezed (at least on Windows)
- Spurious previous/next annotation controls (this has been confirmed on Linux in a Photon-based developer installation)
(from redmine: issue id 3672, created on 2019-03-12, closed on 2019-10-09)
- Relations:
- relates #3216 (closed)
- Uploads: