Go to first available parent directory when missing directory detected

Reproducible: Always

Steps to Reproduce:
1. Open terminal.
2. Type
mkdir --parents ./a/b/c
3. Type
krusader ./a/b/c
4. Type in terminal
rmdir ./a/b/c
5. Go to Krusader window.
6. Menu "View" -> "Reload".
Actual Results:  
Krusader show error message
"Error. The directory .../a/b/c does not exist."
and go to root directory "/".

Expected Results:  
Show above error message
and go to first available parent directory,
i.e. to "./a/b" (not to "/").