Issue 50546 - Fix various issues in UI
    
    Description:  This patch addresses several issues:
    
        - #50546 - Exports from Cockpit can be stored outside of /var/lib/dirsrv/slapd-instance_name/ldif/
        - #50418 - dsctl remove does not cleanup /etc/tmpfiles.d
        - #50554 - Cockpit incorrectly shows that a server is in read-only mode
        - #49856 - Changing port should adjust selinux labels
        - This also enforces a minimum password length for root DN
        - Added confirmation modal is you disable LDAPI(and UI)
        - Added port verification
        - Created new "view" modals for schema instead oi reusing edit forms
        - Improved instance creation form validation
        - Added a progress bar for doing the initial load of configuration
    
    relates: https://pagure.io/389-ds-base/issue/50546
    
    Reviewed by: spichugi(Thanks!)