website/docs: Modal and wizard button labels (#21549)

* website/integrations: rename "Create with Provider" to "New Application"

The application list page now uses a split-button labeled
"New Application" instead of the old "Create with Provider" dropdown.
Update all 113 integration guides to match.

* website/docs: update flow, stage, and policy button labels

- "Create" → "New Flow", "New Stage", "New Policy" for trigger buttons
- "Finish" → "Create Flow", "Create Stage", "Create Policy" for submit
- "Create and bind stage" → "New Stage" / "Bind Existing Stage"
- "Create" (binding submit) → "Create Stage Binding"

* website/docs: update provider button labels

- "Create" → "New Provider" for trigger buttons
- "Create with Provider" → "New Application" in RAC docs
- "Create" → "New Property Mapping", "New RAC Endpoint", "New Prompt"
  for related entity creation

* website/docs: update directory button labels

- "Create" → "New Source" for federation/social login pages
- "Create" → "New Role", submit → "Create Role"
- "Create" → "New Invitation"
- Policy binding submit → "Create Policy Binding"

* website/docs: update endpoint device and system management button labels

- "Create" → "New Endpoint Connector", "New Enrollment Token",
  "New Device Access Group", "New Flow"
- Submit → "Create Device Access Group"
- "Create" → "New Notification Rule", "New Notification Transport"
- Binding submit → "Create Policy Binding"

* Reorganize policy documentation

* website/docs: address policy docs review feedback

* post-rebase

* website/docs: Reorganize policy documentation -- Revisions (#21601)

* apply suggestions

* Fix escaped.

* Fix whitespace.

* Update button label.

* Fix phrasing.

* Fix phrasing.

* Clean up stragglers.

* Format.

---------

Co-authored-by: Dominic R <dominic@sdko.org>

website/docs/add-secure-apps/providers/oauth2/device_code.md

@@ -64,7 +64,7 @@ If the user _has_ finished the authentication and authorization, the response wi
 ### Create and apply a device code flow
 
 1. Log in to authentik as an administrator and open the authentik Admin interface.
-2. Navigate to **Flows and Stages** > **Flows** and click **Create**.
+2. Navigate to **Flows and Stages** > **Flows** and click **New Flow**.
 3. Set the following required configurations:
     - **Name**: provide a name (e.g. `default-device-code-flow`)
     - **Title**: provide a title (e.g. `Device code flow`)