This small C program will prevent the UWP App Suspension that Minecraft: Bedrock Edition suffers from. Just simply add it to your startup folder and profit!
You can download the executable from here or build from source using gcc:
gcc -Os -s -mwindows -nostdlib main.c -lKernel32 -lOle32 -lShell32 -o DisableBedrockSuspension.exe