DSS-5869 Adds Component: dataset-sample

wherehows-web/app/components/dataset-sample.js

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+import Ember from 'ember';
+
+export default Ember.Component.extend({
+});

wherehows-web/app/templates/components/dataset-sample.hbs

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+{{#if hasSamples}}
+  {{#if isPinot}}
+    <table id="pinotsampletreegrid" class="tree table table-bordered dataset-detail-table">
+      <thead>
+      <tr class="results-header">
+        {{#each columns as |column|}}
+          <th class="col-xs-2">{{column}}</th>
+        {{/each}}
+      </tr>
+      </thead>
+      <tbody>
+      {{#each samples as |sample|}}
+        <tr>
+          {{#each sample as |r|}}
+            <td class="wrap-all-word">{{r}}</td>
+          {{/each}}
+        </tr>
+      {{/each}}
+      </tbody>
+    </table>
+  {{else}}
+    <div id="datasetSampleData-json-human" class="table-responsive"></div>
+  {{/if}}
+{{else}}
+  <p>Sample data is not available</p>
+{{/if}}