fix: update search header wording (#656)

Signed-off-by: Tao Feng <fengtao04@gmail.com>

amundsen_application/static/js/components/common/ResourceList/ResourceListHeader/constants.ts

-export const DATASET_HEADER_TITLE = 'DATASET';
+export const RESOURCE_HEADER_TITLE = 'RESOURCE';
 
 export const SOURCE_HEADER_TITLE = 'SOURCE';
 

amundsen_application/static/js/components/common/ResourceList/ResourceListHeader/index.tsx

@@ -6,7 +6,7 @@ import * as React from 'react';
 import './styles.scss';
 
 import {
-  DATASET_HEADER_TITLE,
+  RESOURCE_HEADER_TITLE,
   SOURCE_HEADER_TITLE,
   BADGES_HEADER_TITLE,
 } from './constants';
@@ -14,8 +14,8 @@ import {
 const ResourceListHeader: React.FC = () => {
   return (
     <div className="resource-list-header">
-      <span className="dataset">
-        <span className="dataset-text">{DATASET_HEADER_TITLE}</span>
+      <span className="resource">
+        <span className="resource-text">{RESOURCE_HEADER_TITLE}</span>
       </span>
       <span className="source">{SOURCE_HEADER_TITLE}</span>
       <span className="badges">

amundsen_application/static/js/components/common/ResourceList/ResourceListHeader/styles.scss

@@ -13,11 +13,11 @@
   height: $spacer-6;
   padding: $spacer-1 $spacer-3 $spacer-1;
 
-  .dataset {
+  .resource {
     flex: 7;
     margin-right: $spacer-2;
 
-    .dataset-text {
+    .resource-text {
       margin-left: $spacer-5;
     }
   }