#RI-3822-fix check topnamespace

Author: AmirAllayarovSofteq

redisinsight/ui/src/pages/databaseAnalysis/components/top-namespace/TopNamespace.tsx

@@ -1,6 +1,5 @@
 import { EuiButton, EuiLink, EuiSwitch, EuiTitle } from '@elastic/eui'
 import cx from 'classnames'
-import { isNull } from 'lodash'
 import React, { useEffect, useState } from 'react'
 import { useDispatch } from 'react-redux'
 import { useHistory, useParams } from 'react-router-dom'
@@ -47,7 +46,7 @@ const TopNamespace = (props: Props) => {
     history.push(Pages.browser(instanceId))
   }
 
-  if (isNull(data)) {
+  if (!data?.topMemoryNsp) {
     return null
   }