Disable React fragments edition and export

• Type: Story
• Status: Closed
• Priority: Minor
• Resolution: Completed
• Affects Version/s: None
• Fix Version/s: 7.3.6 CE GA7, 7.3.X, 7.4.13 DXP GA1, Master
• Component/s: Fragment Administration
• Labels:
  • 7310-sp-pending
  • fc_20_10
  • fc_20_11
• Branch Version/s:
  7.3.x
• Backported to Branch:
  Committed
• Epic Link: Support for using React in fragments when using the Fragments Toolkit
• Git Pull Request: https://github.com/liferay-echo/liferay-portal/pull/2755

When React fragments are imported to portal, we only store their "compiled" code. We should disallow reexporting/editing them to prevent users accessing this code and having and bad edition experience.

Test Scenarios

Test Scenarios	Test Strategy	Kind of test	Is it covered by FrontEnd ? (JS-Unit)	Is it covered by BackEnd ? (unit or integration)	Could it be covered by POSHI?
When the react fragment's zip file has invalid codes, it shouldn't be imported into portal	High	Manual	No	Yes	Yes
The react fragments shouldn't be editable and exported	Critical	Manual	No	No	Yes
The react fragments shouldn't be exported with collection	High	Manual	No	No	Yes