1144: Add checks and detailed error messages during plugin activation

[makzef]

Description (*)
This fix allow us to show detailed error messages for users when they enabling plugin.
Current video demonstrates how it will work:

testing_error_messages.mov

Fixed Issues (if relevant)

1. Fixes [Settings] Could not enable integration for the projects with different names #1144

Questions or comments

Contribution checklist (*)

• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• All new or changed code is covered with integration/functional tests (if applicable)
• All automated tests passed successfully (all builds are green)

[bohdan-harniuk]

Hello, @makzef !

Great work, thank you!