Don't throw metadata away in 1.8->1.7

Closes #512

Author: FlorianMichael

common/src/main/java/com/viaversion/viarewind/protocol/protocol1_7_6_10to1_8/metadata/MetadataRewriter1_7_6_10To1_8.java

@@ -411,6 +411,12 @@ public void handleMetadata(MetaHandlerEvent event, Metadata metadata) throws Exc
 			case Slot:
 				metadata.setValue(protocol.getItemRewriter().handleItemToClient(event.user(), (Item) value));
 				break;
+			case Float:
+			case String:
+			case Short:
+			case Position:
+				metadata.setValue(value);
+				break;
 			default:
 				event.cancel();
 				break;