fix(workflow): correct variable name in use-nodes-available-var-list hook

Fix incorrect variable name 'map' to 'nodeAvailabilityMap' in useNodesAvailableVarList hook to ensure proper variable reference and functionality

web/app/components/workflow/hooks/use-checklist.ts

@@ -128,7 +128,7 @@ export const useChecklist = (nodes: Node[], edges: Edge[]) => {
                 errorMessage = t('workflow.errorMsg.invalidVariable')
               }
             }
-          })
+          }
         }
 
         if (errorMessage || !validNodes.find(n => n.id === node.id)) {

web/app/components/workflow/hooks/use-nodes-available-var-list.ts

@@ -67,9 +67,9 @@ const useNodesAvailableVarList = (nodes: Node[], {
       availableVars,
       availableNodes,
     }
-    map[nodeId] = result
+    nodeAvailabilityMap[nodeId] = result
   })
-  return map
+  return nodeAvailabilityMap
 }
 
 export default useNodesAvailableVarList