If there is "%" included in Test properties it throws 500

Description:

If the XML results file has a property that includes the symbol %, then, it throws 500 error with "error": "Internal Application Error!"

Pre-conditions:

Create an XML results file that has property value text including % symbol.

Refer to the attachment added to the sample file.

How to reproduce

• Try importing results file via REST API - JUnit XML result

• curl -H "Content-Type: text/xml" -X POST -H "Authorization: Bearer $token"  --data @"data.xml" https://xray.cloud.getxray.app/api/v1/import/execution/junit?projectKey=XTP

• You can even try to import the file from the UI. Open a Test Execution and click on Import Execution Results.
• 
• Select the XML results file

Actual result/Attachments:

Via REST API, there is 500 Status with 
"error": "Internal Application Error!"

From the UI we see error: Fine not in a Supported format 

Expected result:

The results should be imported.

Version

• Xray Cloud 4.8.2-1

Workaround:

Replace the % symbol inside the XML while importing.