fix(type): make a new isNullish function

Author: safeamiiir

aqueductcore/frontend/src/components/molecules/LogViewer/index.tsx

@@ -1,7 +1,7 @@
-import { isNullish } from "@apollo/client/cache/inmemory/helpers";
 import { Box, styled } from "@mui/material";
 
 import { logType } from "types/componentTypes";
+import { isNullish } from "helper/functions";
 
 interface LogViewerProps {
     log: logType[]

aqueductcore/frontend/src/helper/functions.tsx

@@ -84,4 +84,8 @@ export function stableSort<T>(array: readonly T[], comparator: (a: T, b: T) => n
     return a[1] - b[1];
   });
   return stabilizedThis.map((el) => el[0]);
-}
+}
+
+export function isNullish(value: unknown): value is null | undefined {
+  return value === null || value === undefined;
+}