Fix encoding of the soapRouter URL parameters

[mkiki]

Description

For troubleshooting purpose, the SDK is adding a query parameter with the API call URN (schema and method) to the soap router end point. This was not correctly URL encoded, which can cause problems in some cases. Now the query parameter is properly encoded.

Normal SOAP URL: https://myinstance.com/nl/jsp.soapRouter.jsp Previous URL (not properly encoded): https://myinstance.com/nl/jsp.soapRouter.jsp?xtk:session:Empty New URL (properly encoded): https://myinstance.com/nl/jsp.soapRouter.jsp?soapAction=xtk%3Asession%23Empty

The new encoding (potentially breaking change) is a query parameter named soapAction which contains the encorde URN of the SOAP call.

How Has This Been Tested?

Unit tests Instance which was causing problems

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [x] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [x] I have signed the Adobe Open Source CLA.
• [x] My code follows the code style of this project.
• [x] My change requires a change to the documentation.
• [x] I have updated the documentation accordingly.
• [x] I have read the CONTRIBUTING document.
• [x] I have added tests to cover my changes.
• [x] All new and existing tests passed.