When dGPU is disabled, iGPU stops working

Greetings. When trying to disable dGPU via NVRAM (-wegnoegpu) or using SSDT-GPU-DISABLE (which I got), the iGPU stops displaying. The problem has started to appear since macOS Catalina. Maybe someone knows how to fix it?

Motherboard: ASUS PRIME B250M-K

CPU: Intel Core i5-7400

iGPU: Intel HD Graphics 630

dGPU: NVIDIA GeForce GTX 1050

PCI path of dGPU: \_SB.PCI0.PEG0.PEGP

submitted by /u/pecivi9594
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