Co-authored-by: Ben Kunkle <ben@zed.dev>

Co-authored-by: Ben Kunkle <ben@zed.dev>

We added a componenet preview for this element as well.

Co-authored-by: Ben Kunkle <ben@zed.dev>

Co-authored-by: Ben Kunkle <ben@zed.dev>

Co-Authored-By: Mikayla <mikayla@zed.dev>

wip

Before, `space` was always causing a channel join.
Now it's less fluent, one has to press `ESC` to get the focus out of the
filter editor and then `space` starts joining the channel.

Release Notes:

- Fixed being unable to input a whitespace character in collab channels
filter

Closes #ISSUE

Adds a very simple API to track metadata about keybindings in GPUI,
namely the source of the binding. The motivation for this is displaying
the source of keybindings in the [keymap
UI](https://github.com/zed-industries/zed/pull/32436).

The API is designed to be as simple and flexible as possible, storing
only a `Option<u32>` on the bindings themselves to keep the struct
small. It is intended to be used as an index or key into a table/map
created and managed by the consumer of the API to map from indices to
arbitrary meta-data. I.e. the consumer is responsible for both
generating these indices and giving them meaning.

The current usage in Zed is stateless, just a mapping between constants
and User, Default, Base, and Vim keymap sources, however, this can be
extended in the future to also track _which_ base keymap is being used.

Release Notes:

- N/A *or* Added/Fixed/Improved ...

Summary

I've successfully implemented the required billing address collection
feature for Stripe Checkout sessions. Here's what was done:

### 1. **Added New Data Structures** (`stripe_client.rs`):
- Added `StripeBillingAddressCollection` enum with `Auto` and `Required`
variants
- Added `billing_address_collection` field to
`StripeCreateCheckoutSessionParams`

### 2. **Updated Stripe Client Implementation**
(`real_stripe_client.rs`):
- Added conversion from `StripeBillingAddressCollection` to Stripe's
`CheckoutSessionBillingAddressCollection`
- Updated the `TryFrom` implementation to map the billing address
collection field when creating checkout sessions
- Added the necessary import

### 3. **Updated Billing Service** (`stripe_billing.rs`):
- Set `billing_address_collection` to `Required` in both
`checkout_with_zed_pro()` and `checkout_with_zed_pro_trial()` methods
- Added the necessary import

### 4. **Updated Test Infrastructure** (`fake_stripe_client.rs`):
- Added `billing_address_collection` field to
`StripeCreateCheckoutSessionCall`
- Updated the `create_checkout_session` implementation to capture the
new field
- Added the necessary import

### 5. **Updated Tests** (`stripe_billing_tests.rs`):
- Added assertions to verify that `billing_address_collection` is set to
`Required` in all three test cases:
  - `test_checkout_with_zed_pro`
  - `test_checkout_with_zed_pro_trial` (regular trial)
  - `test_checkout_with_zed_pro_trial` (extended trial)
- Added the necessary import

The implementation follows the pattern established in the codebase and
ensures that whenever a Stripe Checkout session is created for Zed Pro
subscriptions (both regular and trial), the billing address will be
required from customers. This aligns with the Stripe documentation you
provided, which shows that setting `billing_address_collection=required`
will ensure the billing address is always collected during checkout.

Release Notes:

- N/A

Co-authored-by: Marshall Bowers <git@maxdeviant.com>

Vercel v0 is an OpenAI-compatible model, so this is mostly a dupe of the
OpenAI provider files with some adaptations for v0, including going
ahead and using the custom endpoint for the API URL field.

Release Notes:

- Added support for Vercel as a language model provider.

Add `can_save` and `save` methods to `DiffView`, enabling users to save
changes made within the diff view.

Release Notes:

- Allow saving changes in the `zed --diff` view