Avoid duplicate selections in TreeViewFinder (#805)

Signed-off-by: Ayoub LABIDI <[email protected]>

Author: ayolab

src/components/treeViewFinder/TreeViewFinder.tsx

@@ -278,7 +278,10 @@ function TreeViewFinderComponant(props: Readonly<TreeViewFinderProps>) {
             return;
         }
         if (selectedProp.length > 0) {
-            setSelected((oldSelectedNodes) => [...(oldSelectedNodes ?? []), ...selectedProp]);
+            setSelected((oldSelectedNodes) => {
+                const prev = oldSelectedNodes ?? [];
+                return Array.from(new Set([...prev, ...selectedProp]));
+            });
         }
     }, [selectedProp]);