Canvas: Fix linter errors

Change-Id: I602c1562d4ab2d948bb4dcf6caf66f185585d720
diff --git a/apps/canvas/front/src/components/resources.tsx b/apps/canvas/front/src/components/resources.tsx
index 7471c1f..085301c 100644
--- a/apps/canvas/front/src/components/resources.tsx
+++ b/apps/canvas/front/src/components/resources.tsx
@@ -22,9 +22,9 @@
 }
 
 export function Resources() {
-  let flow = useReactFlow();
+  const flow = useReactFlow();
   const categories = useCategories();
-  let onResourceAdd = useCallback((item: CategoryItem) => {
+  const onResourceAdd = useCallback((item: CategoryItem) => {
     return () => addResource(item, flow);
   }, [flow]);
   const [open, setOpen] = useState<string[]>(categories.map((c) => c.title));