Use SerializationService as a fallback for when patch application fails (#1030)

rojo-test/serve-tests/forced_parent/default.project.json

@@ -0,0 +1,6 @@
+{
+  "name": "forced_parent",
+  "tree": {
+    "$className": "Attachment"
+  }
+}

rojo-test/serve-tests/meshpart_with_id/default.project.json

@@ -0,0 +1,22 @@
+{
+  "name": "meshpart",
+  "tree": {
+    "$className": "DataModel",
+    "Workspace": {
+      "Sword": {
+        "$id": "sword",
+        "$className": "MeshPart",
+        "$properties": {
+          "MeshId": "rbxasset://fonts/sword.mesh",
+          "TextureID": "rbxasset://textures/SwordTexture.png"
+        }
+      },
+      "ObjectValue": {
+        "$className": "ObjectValue",
+        "$attributes": {
+          "Rojo_Target_Value": "sword"
+        }
+      }
+    }
+  }
+}