fix(app-lib): actually delete custom skins with no cape overrides

packages/app-lib/.sqlx/query-6e3fa492c085ebb8e7280dd4d55cdcf73da199ea6ac05ee3ee798ece80d877cf.json

@@ -41,7 +41,7 @@
       {
         "name": "display_claims!: serde_json::Value",
         "ordinal": 7,
-        "type_info": "Text"
+        "type_info": "Null"
       }
     ],
     "parameters": {

packages/app-lib/.sqlx/query-faa8437519571b147b0135054847674be5035f385e0d85e759d4bbf9bca54f20.json

@@ -1,6 +1,6 @@
 {
   "db_name": "SQLite",
-  "query": "DELETE FROM custom_minecraft_skins WHERE minecraft_user_uuid = ? AND texture_key = ? AND variant = ? AND cape_id = ?",
+  "query": "DELETE FROM custom_minecraft_skins WHERE minecraft_user_uuid = ? AND texture_key = ? AND variant = ? AND cape_id IS ?",
   "describe": {
     "columns": [],
     "parameters": {
@@ -8,5 +8,5 @@
     },
     "nullable": []
   },
-  "hash": "1937e191a7815a55274bb39a035e02a39bb04b45dbd727e5db5b5308deda4e04"
+  "hash": "faa8437519571b147b0135054847674be5035f385e0d85e759d4bbf9bca54f20"
 }