Patch Changes

• #5735  Thanks @nvie ! - Allow type field to be missing in BuiltInNode (no type field is the same as type: "default")
• #5722  Thanks @dfblhmm ! - Add snapGrid to screenToFlowPosition options
• #5723  Pass options to useReactFlow/useSvelteFlow viewport helper functions correctly
• #5733  Thanks @AlaricBaraou ! - Fix empty store during ReactFlow remount by reordering StoreUpdater before GraphView and using layout effects
• #5727  Thanks @solastley ! - Ensure visual nodes selection state is cleared when zero selected nodes remain in the flow