Rename package does not work in the certain case

[artaleks9]

Description

Reproduction Steps:

• Open the IDE and import a project (e.g. https://github.com/artaleks9/packages-rename-test.git)
• Expand the project and rename the package 'my' to 'your'
• After that try to rename the new package 'your' to another name

Expected behavior:

• the 'Rename Package' form should be closed
• the package should be renamed

Observed behavior:

• the 'Rename Package' form does not close
• the package is not renamed
• there is error in the browser console

Che version: 6.14.0
OS and version: Fedora 28
Che install: ocp-multi
Docker version: 17.09
API docker version: 1.32

Additional information:

• Problem can be reliably reproduced, doesn't happen randomly: [Yes]
• Related selenium test: RenamePackageTest
• Related known issue: Wrong behavior when rename a root package name #11713
• Report on CI: https://ci.codenvycorp.com/view/qa-nightly/job/che-integration-tests-multiuser-master-ocp/405/Selenium_20tests_20report/failsafe-report.html#org.eclipse.che.selenium.refactor.packagesRenamePackageTest
• See the attachment:

screenshot:

video: