Wiki attachment image with an ampersand in the file name does not appear

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.1.X, Master
• Fix Version/s: 7.1.10 DXP FP5, 7.1.10.1 SP1, 7.1.2 CE GA3, 7.1.X, Master
• Component/s: Collaboration > Wiki
• Labels:
  • ee-ts
  • liferay-dxp-71-sp1
  • liferay-fixpack-dxp-5-7110
• Branch Version/s:
  7.1.x
• Backported to Branch:
  Committed
• Fix Priority: 2
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/65534

Steps to reproduce:

1. Launch a 7.1 dxp-2 bundle
2. Get an image with "&" in the name
3. Edit a wiki page
4. Click on the "+" button and select an image
5. Upload the file
6. Click Add to display it
7. Publish the Wiki page
   Expected behavior: The image appears in the text
   Actual behavior: Broken image icon appears
8. Rename the image file to remove the "&"
9. Repeat the steps above: everything works now

Also tested on:

7.1x @09d49eff07511bda7dcef4745e90829c593f479c -> Same behavior

Master @e2630bfb61c3043444b4980891553c3ee3905380 -> Same behavior