nRF Connect - devicetree configuration build bug

After setting build configuration the prj.conf is detected as overlay file.



```
...
-- Found BOARD.dts: /home/deimos/ncs/v2.5.0/zephyr/boards/arm/nrf52dk_nrf52832/nrf52dk_nrf52832.dts
-- Found devicetree overlay: /home/deimos/Documents/BREEZE_BMS_nRF/BreezeWaveBLE/prj.conf
-- Found devicetree overlay: /home/deimos/Documents/BREEZE_BMS_nRF/BreezeWaveBLE/nrf52dk_nrf52832.overlay
-- Found devicetree overlay: nrf52dk_nrf52832.overlay
devicetree error: /home/deimos/Documents/BREEZE_BMS_nRF/BreezeWaveBLE/prj.conf:1 (column 1): parse error: expected '/' or label reference (&foo)
```

After modyfying DTC_OVERLAY_FILE:STRING in /build/CMakeCache.txt everything compiles correctly and works on SoC, yet currently on every instance of configuring new app, the build is with errors. 
Reinstalling nRF Connect didnt help.

Does anyone have the same issue?




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