Dismiss project panel's rename editor when it loses focus

Ensure that FS watchers are dropped when dropping their event stream

Avoid panic when unable to access a GPU

This will remove noise from our panic logs.

Co-authored-by: Nathan Sobo <nathan@zed.dev>

Detect cycles when scanning a directory

This is just a special case of `TreeMap<K, V>` where `V = ()`.

Instead of storing paths, model the FS more directly
as nodes

Fix spurious borrow checker error

Expose collaboration metrics

Guide to Opaque Types and Callbacks in Plugins

Handle inserting multiple tabs on the same row

This also fixes a panic when tabbing on a row that contained multi-byte
characters.

Add bracketed paste support

Added settings for common terminal configurations

Add an admin API for counting users with given amounts of activity

Update terminal testing to match new connection model.

Correctly report all keyboard events to the terminal

Document using Redis and launch it in `Procfile`

Illustrate `format_on_save` external command using prettier

This gives us a chance to highlight a real-world scenario that a lot
of our users will want to use, as well as showcasing the special
`{buffer_path}` argument.

Differentiate among tabs with the same name