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=> The old controltab is substituted by: direct controls (buttons on the constraint widget) and a settings dialog that is independently fired via a button with a settings icon
This makes more space for the list of constraints and generates a lower amount of confussion regarding the old tab names and functions.
Direct control ensures that the most used operations are at hand, while other less changed settings are moved to the settings dialog.
=> Direct controls
One time visibility to match the list selection can be triggered from a new button "Visibility"
This button has drop selections for visibility selections, which are checkable items (currently only one option, but more are envisaged).
The one option currently is the "visibility tracking" functionality. This is a "shortcut" to the option in the settings panel to save unnecessary clicks
in typical operations.
=> Settings dialog
This dialog is live, in that changes to settings are immediatedly propagated to the list control and visibility.
