Move m.location thumbnail_url to be inside info to match m.video

event-schemas/schema/m.room.message#m.location

@@ -15,14 +15,18 @@ properties:
         enum:
           - m.location
         type: string
-      thumbnail_info:
+      info:
-        allOf:
-          - $ref: core-event-schema/msgtype_infos/image_info.yaml
-        title: ImageInfo
         type: object
-      thumbnail_url:
+        properties:
-        description: The URL to a thumbnail of the location being represented.
+          thumbnail_info:
-        type: string
+            allOf:
+              - $ref: core-event-schema/msgtype_infos/image_info.yaml
+            title: ImageInfo
+            type: object
+          thumbnail_url:
+            description: The URL to a thumbnail of the location being represented.
+            type: string
+        title: LocationInfo
     required:
       - msgtype
       - body