Unwanted template script is shown on the Web Content Item selector

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.3.X, 7.4.0 CE GA1, 7.4.13 DXP GA1, Master
• Component/s: Content Display Widgets > Web Content Display widget
• Labels:
  • ee-ts
  • liferay-fixpack-dxp-4-7310
  • liferay-update-dxp-4-7310
• Branch Version/s:
  7.3.x
• Backported to Branch:
  Committed
• Fix Priority: 3
• Git Pull Request: https://github.com/liferay-echo/liferay-portal/pull/4216

Reproduction steps

1) Create a new Web Content Structure with a Text Box field
2) Create a new Web Content Template for the new Structure and add a following script to the template source

<@liferay_aui.script use="aui-base">
console.log('My template is processed!');
</@liferay_aui.script>

3) Uncheck Cacheable
4) Create a new Web Content based on the new Structure
5) Create a new Widget Page
6) Add a Web Content Display
7) On the Web Content Display - Configuration Select a Web Content

Notice: When opening the Select Web Content modal the browser's console will print: 
My template is processed!

Expected: No log in the browser's console

Analysis

The asset-browser-web is used to list the Web Contents in the search-container.

https://github.com/liferay/liferay-portal-ee/blob/7.3.x/modules/apps/asset/asset-browser-web/src/main/resources/META-INF/resources/view.jsp#L167-L171

In the search-container the Description column loads the getSummary from the JournalArticleAssetRenderer where the summary is the articleDisplay.getContent().

https://github.com/liferay/liferay-portal-ee/blob/7.3.x/modules/apps/journal/journal-web/src/main/java/com/liferay/journal/web/internal/asset/model/JournalArticleAssetRenderer.java#L231-L238

Related PTR-2329

Suggested solution: https://issues.liferay.com/browse/PTR-2329?focusedCommentId=2413704&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-2413704