Boot from external drive using rEFInd only if external drive is connected
Currently, you have rEFInd as the default to boot. Below are some ways to change this to the internal drive macOS.
When selecting macOS on the internal drive from the Mac Startup Manager, hold down the control key. This will make macOS on the internal drive the default to boot.
Or
From the Startup Disk pane of System Preferences in macOS, select the internal macOS as the default.
Or
From the Windows Control Panel, open Boot Camp and select macOS on the internal drive as the default.