fix: for logicalRestore job, verify that dumpLocation exists in filesystem

Description

For logicalRestore job, verify that the dump location (dumpLocation) exists in the filesystem.

Related issue

Examples

Checklist

• MR description has been reviewed
• MR changes are functionally tested
• MR does NOT have API/CLI changes OR there are API/CLI changes and they have been reviewed & DOCS ARE ADJUSTED (reference doc, etc)
• MR does NOT have UI changes OR there are UI changes and they have been reviewed & UX IS REVIEWED