Fix incosistent filter behavior in validator list; Fix duplicates when

autogenerating validator list

src/library/GenerateNominations/useFetchMethods.tsx

@@ -112,7 +112,9 @@ export const useFetchMehods = () => {
       _nominationsActive = shuffle(_nominationsActive).slice(0, 12);
     }
 
-    return shuffle(_nominationsWaiting.concat(_nominationsActive));
+    return shuffle([
+      ...new Set(_nominationsWaiting.concat(_nominationsActive)),
+    ]);
   };
 
   const available = (nominations: any) => {

src/library/ValidatorList/index.tsx

@@ -197,7 +197,7 @@ export const ValidatorListInner = ({
     if (allowFilters && fetched) {
       handleValidatorsFilterUpdate();
     }
-  }, [order, isSyncing, includes, excludes]);
+  }, [order, isSyncing, includes?.length, excludes?.length]);
 
   // handle modal resize on list format change
   useEffect(() => {