fix: use VirtualModule with custom name in CLI

VirtualModule allows specifying both module name and schema name,
while virtual_schema() uses schema name for both. The CLI needs
custom module names for the -s flag, so use VirtualModule directly.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: dimitri-yatsenko

src/datajoint/cli.py

@@ -61,7 +61,7 @@ def cli(args: list = None):
     if kwargs["schemas"]:
         for vm in kwargs["schemas"]:
             d, m = vm.split(":")
-            mods[m] = dj.virtual_schema(d)
+            mods[m] = dj.VirtualModule(m, d)
 
     banner = "dj repl\n"
     if mods: