OAuth 2.0 Authorization Server [MOD-559] (#733)

* WIP end-of-day push

* Authorize endpoint, accept endpoints, DB stuff for oauth clients, their redirects, and client authorizations

* OAuth Client create route

* Get user clients

* Client delete

* Edit oauth client

* Include redirects in edit client route

* Database stuff for tokens

* Reorg oauth stuff out of auth/flows and into its own module

* Impl OAuth get access token endpoint

* Accept oauth access tokens as auth and update through AuthQueue

* User OAuth authorization management routes

* Forgot to actually add the routes lol

* Bit o cleanup

* Happy path test for OAuth and minor fixes for things it found

* Add dummy data oauth client (and detect/handle dummy data version changes)

* More tests

* Another test

* More tests and reject endpoint

* Test oauth client and authorization management routes

* cargo sqlx prepare

* dead code warning

* Auto clippy fixes

* Uri refactoring

* minor name improvement

* Don't compile-time check the test sqlx queries

* Trying to fix db concurrency problem to get tests to pass

* Try fix from test PR

* Fixes for updated sqlx

* Prevent restricted scopes from being requested or issued

* Get OAuth client(s)

* Remove joined oauth client info from authorization returns

* Add default conversion to OAuthError::error so we can use ?

* Rework routes

* Consolidate scopes into SESSION_ACCESS

* Cargo sqlx prepare

* Parse to OAuthClientId automatically through serde and actix

* Cargo clippy

* Remove validation requiring 1 redirect URI on oauth client creation

* Use serde(flatten) on OAuthClientCreationResult

.sqlx/query-68ef15f50a067503dce124b50fb3c2efd07808c4a859ab1b1e9e65e16439a8f3.json

@@ -0,0 +1,17 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n            INSERT INTO oauth_client_authorizations (\n                id, client_id, user_id, scopes\n            )\n            VALUES (\n                $1, $2, $3, $4\n            )\n            ON CONFLICT (id)\n            DO UPDATE SET scopes = EXCLUDED.scopes\n            ",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Int8",
+        "Int8",
+        "Int8",
+        "Int8"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "68ef15f50a067503dce124b50fb3c2efd07808c4a859ab1b1e9e65e16439a8f3"
+}