Rename attributeMetadatada to attributeMetadata (#6297)

**Problem:**
Rename gibberish attributeMetadatada to attributeMetadata
**Manual Tests:**
I hereby swear that:

- [x] I opened a hydrogen project and it loaded
- [x] I could navigate to various routes in Preview mode

editor/src/components/canvas/__snapshots__/ui-jsx-canvas-bugs.spec.tsx.snap

@@ -46,7 +46,7 @@ exports[`UiJsxCanvas #747 - DOM object constructor cannot be called as a functio
 Object {
   "sb/scene": Object {
     "assignedToProp": null,
-    "attributeMetadatada": Object {},
+    "attributeMetadata": Object {},
     "componentInstance": true,
     "computedStyle": Object {},
     "conditionValue": "not-a-conditional",
@@ -246,7 +246,7 @@ Object {
   },
   "sb/scene/app": Object {
     "assignedToProp": null,
-    "attributeMetadatada": Object {},
+    "attributeMetadata": Object {},
     "componentInstance": true,
     "computedStyle": Object {},
     "conditionValue": "not-a-conditional",