`CanvasCompositorModule` had a fairly inflexible API, only supporting compositing all raster layers or inpaint masks.
The API has been generalized work with a list of canvas entities. This enables `Merge Down` and `Merge Selected` functionality (though `Merge Selected` is not part of this set of changes).
We were scaling the unscaled image and mask down before doing the paste-back, but this adds an extraneous step & image output.
We can do the paste-back first, then scale to output size after. So instead of 2 resizes before the paste-back, we have 1 resize after.
The end result is the same.
We were:
- Incrementing `addedControlNets` or `addedT2IAdapters`
- Attempting to add it, but maybe failing and skipping
Need to swap the order of operations to prevent misreporting of added cnet/t2i.
I don't think this would ever actually cause problems.
- Canvas manages its own progress socket event listeners and progress event data.
- Remove cancellations listener jank.
- Dip into low-level redux subscription API to watch for queue status changes, clearing the last "global" progress event when the queue has nothing in progress. Could also do this in a useEffect I guess.
- Had to shuffle some things around to prevent circular imports, so there are a lot of tiny changes here.
- Canvas generation mode is replace with a boolean `sendToCanvas` flag. When off, images generated on the canvas go to the gallery. When on, they get added to the staging area.
- When an image result is received, if its destination is the canvas, staging is automatically started.
- Updated queue list to show the destination column.
- Added `IconSwitch` component to represent binary choices, used for the new `sendToCanvas` flag and image viewer toggle.
- Remove the queue actions menu in `QueueControls`. Move the queue count badge to the cancel button.
- Redo layout of `QueueControls` to prevent duplicate queue count badges.
- Fix issue where gallery and options panels could show thru transparent regions of queue tab.
- Disable panel hotkeys when on mm/queue tabs.
