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-9dadd6926a8429e60cb5fd53285b81f2f47ccdded1e764c04d8b7651d9796ce0.json

@@ -0,0 +1,16 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n            INSERT INTO oauth_client_redirect_uris (id, client_id, uri)\n            SELECT * FROM UNNEST($1::bigint[], $2::bigint[], $3::varchar[])\n            ",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Int8Array",
+        "Int8Array",
+        "VarcharArray"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "9dadd6926a8429e60cb5fd53285b81f2f47ccdded1e764c04d8b7651d9796ce0"
+}