Short-circuit full type (with lookupIndex) (#3804)

* Short-circuit full type (with lookupIndex)

* Defaults for type expansion

* Tuple with extra spaces removed

* Fill in generated types

* Adjust generation

* Adjust tests

* Adjust

packages/api-contract/test/compare/user_withString.test.json

@@ -158,12 +158,12 @@
             "type": "AccountId"
           }
         ],
-        "type": "(AccountId, AccountId)",
+        "type": "(AccountId,AccountId)",
         "name": "Occupied"
       }
     ],
     "info": 3,
-    "type": "{\"_enum\":{\"Vacant\":\"VacantEntry\",\"Occupied\":\"(AccountId, AccountId)\"}}"
+    "type": "{\"_enum\":{\"Vacant\":\"VacantEntry\",\"Occupied\":\"(AccountId,AccountId)\"}}"
   },
   {
     "info": 10,
@@ -181,7 +181,7 @@
         "type": "AccountId"
       }
     ],
-    "type": "(AccountId, AccountId)"
+    "type": "(AccountId,AccountId)"
   },
   {
     "info": 6,
@@ -202,4 +202,4 @@
     "info": 5,
     "type": "Option<AccountId>"
   }
-]
+]