Revert "Use Number.isNaN with a typeof check"

This reverts commit 382f3c3.

Author: iammminzzy

packages/mui-material/src/Tabs/Tabs.js

@@ -420,14 +420,9 @@ const Tabs = React.forwardRef(function Tabs(inProps, ref) {
       [size]: tabMeta ? tabMeta[size] : 0,
     };
 
-    if (
-      !(
-        typeof indicatorStyle[startIndicator] === 'number' &&
-        !Number.isNaN(indicatorStyle[startIndicator]) &&
-        typeof indicatorStyle[size] === 'number' &&
-        !Number.isNaN(indicatorStyle[size])
-      )
-    ) {
+    // IE11 support, replace with Number.isNaN
+    // eslint-disable-next-line no-restricted-globals
+    if (isNaN(indicatorStyle[startIndicator]) || isNaN(indicatorStyle[size])) {
       setIndicatorStyle(newIndicatorStyle);
     } else {
       const dStart = Math.abs(indicatorStyle[startIndicator] - newIndicatorStyle[startIndicator]);