Fix the package listed for cloned interfaces (#2449)

Addresses bytecodealliance/wit-bindgen#1540 at the source here in
wasm-tools, a but with `generate_nominal_type_ids`.

Author: alexcrichton

crates/wit-parser/src/resolve/mod.rs

@@ -2644,6 +2644,7 @@ package {name} is defined in two different locations:\n\
             // above) and the `CloneMaps` are shared amongst interfaces. This
             // means that future clones will use the types produced here too.
             let mut new_id = id;
+            cloner.new_package = cloner.resolve.interfaces[new_id].package;
             cloner.interface(&mut new_id);
 
             // Load up the previous `key` and go ahead and mutate the

tests/cli/nominal4.wit

@@ -0,0 +1,15 @@
+// RUN: component wit --generate-nominal-type-ids foo % --json
+
+package a:b;
+
+world foo {
+  import other:c/x;
+  export other:c/x;
+}
+
+package other:c {
+  interface x {
+    resource r;
+    hi: func() -> r;
+  }
+}

tests/cli/nominal4.wit.stdout

@@ -0,0 +1,108 @@
+{
+  "worlds": [
+    {
+      "name": "foo",
+      "imports": {
+        "interface-0": {
+          "interface": {
+            "id": 0
+          }
+        }
+      },
+      "exports": {
+        "interface-1": {
+          "interface": {
+            "id": 1
+          }
+        }
+      },
+      "package": 1
+    }
+  ],
+  "interfaces": [
+    {
+      "name": "x",
+      "types": {
+        "r": 0
+      },
+      "functions": {
+        "hi": {
+          "name": "hi",
+          "kind": "freestanding",
+          "params": [],
+          "result": 1
+        }
+      },
+      "package": 0
+    },
+    {
+      "name": "x",
+      "types": {
+        "r": 2
+      },
+      "functions": {
+        "hi": {
+          "name": "hi",
+          "kind": "freestanding",
+          "params": [],
+          "result": 3
+        }
+      },
+      "package": 0,
+      "clone_of": 0
+    }
+  ],
+  "types": [
+    {
+      "name": "r",
+      "kind": "resource",
+      "owner": {
+        "interface": 0
+      }
+    },
+    {
+      "name": null,
+      "kind": {
+        "handle": {
+          "own": 0
+        }
+      },
+      "owner": null
+    },
+    {
+      "name": "r",
+      "kind": "resource",
+      "owner": {
+        "interface": 1
+      }
+    },
+    {
+      "name": null,
+      "kind": {
+        "handle": {
+          "own": 2
+        }
+      },
+      "owner": null
+    }
+  ],
+  "packages": [
+    {
+      "name": "other:c",
+      "interfaces": {
+        "x": 0
+      },
+      "worlds": {}
+    },
+    {
+      "name": "a:b",
+      "docs": {
+        "contents": "RUN: component wit --generate-nominal-type-ids foo % --json"
+      },
+      "interfaces": {},
+      "worlds": {
+        "foo": 0
+      }
+    }
+  ]
+}