fix selectOnDrag for Svelte Flow

examples/svelte/src/routes/examples/customnode/CustomNode.svelte

@@ -13,7 +13,7 @@
 		Custom Color Picker Node: <strong>{bg.color}</strong>
 	</div>
 	<input
-		class="nodrag"
+		class="nodrag nokey"
 		type="color"
 		oninput={(evt) => (bg.color = evt.currentTarget.value)}
 		value={bg.color}

packages/svelte/src/lib/container/Pane/Pane.svelte

@@ -97,12 +97,18 @@
     const isNoKeyEvent =
       event.target !== container && !!(event.target as HTMLElement).closest('.nokey');
 
+    const isSelectionActive =
+      (selectionOnDrag && container === event.target) ||
+      !selectionOnDrag ||
+      store.selectionKeyPressed;
+
     if (
       !store.elementsSelectable ||
       !isSelecting ||
       event.button !== 0 ||
       !containerBounds ||
       isNoKeyEvent ||
+      !isSelectionActive ||
       !event.isPrimary
     ) {
       return;