fix(jail/fstab): Remove replacement of spaces and split on tabs (#2732)

Other side of iocage ticket
Ticket: #76864

src/middlewared/middlewared/plugins/jail.py

@@ -685,8 +685,6 @@ def fstab(self, jail, options):
                     'Provided path for source does not exist'
                 )
 
-            source = source.replace(' ', r'\040')  # fstab hates spaces ;)
-
         destination = options.get('destination')
         if destination:
             destination = f'/{destination}' if destination[0] != '/' else destination
@@ -708,9 +706,6 @@ def fstab(self, jail, options):
             else:
                 os.makedirs(destination)
 
-            # fstab hates spaces ;)
-            destination = destination.replace(' ', r'\040')
-
         if action != 'list':
             for f in options:
                 if not options.get(f) and f not in ('index',):
@@ -762,7 +757,7 @@ def fstab(self, jail, options):
             )
 
             for i in _list:
-                fstab_entry = i[1].split()
+                fstab_entry = i[1].split('\t')
                 _fstab_type = 'SYSTEM' if fstab_entry[0].endswith(
                     system_mounts) else 'USER'