Hard caps on creating projects/orgs/collections (#4430)

* implement backend limits on project creation

* implement collection, org creation hard caps

* Fix limit api

* Fix clippy

* Fix limits

* Update sqlx queries

* Address PR comments on user limit structure

* sqlx prepare and clippy

* fix test maybe

.sqlx/query-bad800084766fcbaf584066304a5a7e4484859e1326c765e5ebd403fbc7e188b.json

@@ -0,0 +1,23 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT EXISTS(SELECT 1 FROM mods m INNER JOIN organizations o ON m.organization_id = o.id INNER JOIN team_members tm ON tm.team_id = o.team_id AND tm.user_id = $2 WHERE m.id = $1)",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "exists",
+        "type_info": "Bool"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Int8",
+        "Int8"
+      ]
+    },
+    "nullable": [
+      null
+    ]
+  },
+  "hash": "bad800084766fcbaf584066304a5a7e4484859e1326c765e5ebd403fbc7e188b"
+}