Mock static methods enables on every change of Test framework or Mocking strategy

[tyuldashev]

Description
Whenever user changes value of Test framework or Mocking strategy Mock static methods becomes marked.

To Reproduce

1. Install UnitTestBot plugin built from main in IntelliJ IDEA
2. Open non-Spring project
3. Invoke test generation dialog
4. Set
   • Testing framework to Junit 5
   • Mocking strategy to Mock everything outside the class
   • Uncheck Mock static methods
5. Change Testing framework to Junit 4 - note that Mock static methods has been checked
6. Uncheck Mock static methods again
7. Change Mocking strategy to Mock everything outside the package

Expected behavior
Mock static methods stays unchecked no matter what other fields changed.

Actual behavior
Mock static methods checked

Screenshots, logs

[tyuldashev]

We may want to change expected behavior considering its usability in Spring projects. So let's discuss it with me and @alisevych before actual fix.