XEA is not compatible with Jira 8.22.0

Description
Jira's 8.22.0 Application Links requires Oath 2.0 authentication, and XEA is still not ready for it.

How to reproduce

1. First input:
   
2. Second input:
   
3. Result:
   

Actual result/Attachments
XEA's options appear in the Instance, but when a user tries to use it, he/she will see this:

Expected result
XEA works as intended.

Version

• XEA's v2.0.1;
• Jira v8.22.0.

XEA's Documentation will have to be updated with the new steps to connect.