feat(sessions): implement local user session switching functionality

- Core user is logged in tty1 while user two is in tty3, you can now seamlessly switch bewteen them
New IPC options:
- `dms ipc call sessions list`
- `dms switch-user [target]`
- New Powermenu switch users option

core/cmd/dms/commands_common.go

@@ -541,5 +541,6 @@ func getCommonCommands() []*cobra.Command {
 		blurCmd,
 		trashCmd,
 		systemCmd,
+		switchUserCmd,
 	}
 }