[gui-test] KotlinCreateOtherProject: moved CreateJavaProjectWithKotlinGuiTest to the end of the suite to avoid a problem with initialization

Existing text should be compared with expected text (and not original text)

Review ID: IDEA-CR-40066

RUBY-23014 Replaced immediate file discovery with lazy one. File may be just created and vfs is not yet updated

IDEA-CR-40106

IDEA-201878 Uninstall previous installations: There is bin folder with uninstall.exe after uninstalling

Following extensions were added: 'san=dns:localhost,dns:*.localhost,dns:*.dev,dns:*.local'
ECC key is not used instead of RSA.

These implementations were never used, and we don't plan to replace the project model in IntelliJ Platform by JPS anymore.

less code, no extension loading in <clinit>

in case an exception occurs when adding listener and instantiating extensions

to avoid calling it in run configuration actions (very expensive: PY-32762) but not disabling potentially enabled groups