* Fix 2 notebook issues
- Do not create notebook model twice on start
- Do not cause disposed warnings due to markdown cell deserialization
* Fix notebook dirty on open issue
Before model is resolved we weren't getting dirty events.
Solution is to use backing text model until it's ready.
Must hook to the dirty event & notify to get the dot to appear
* Basic touchbar support
* Touchbar support for Run Cell, Run Query, Add Cell
- Add top 3 notebook commands
- Add top query command
Actions only appear on having active editor of expected type.
In order to make Notebook work as expected, added tabindex to support focusing
and hide outline to ensure it doesn't get weird blue outline on click
Note: does not have icons yet, which would be nice.
However can add in subsequent PR once this comes from UX.
This is a partial fix that lays groundwork for full "Prompt to connect" if a kernel needs a connection.
I am waiting on Yurong's refactoring of connection handling before doing any of the prompt work.
- Adds kernel metadata about whether a connection is required.
- For Jupyter, only Spark kernels are listed as requiring a connection
- If this is true and there's no active connection, will show notification and not call execute
In the future, this path will still be used if user is prompted to connect and cancels out.
The future change will be to inject a "connect" handler from notebook.component to the cell callback and use to set connection context
