BME688 example project compilation fails (string.h change)

Hi,

I'm trying to compile and download the bme68x_demo_sample project on the feather board. But it looks like the ble_controller library got updated (https://github.com/espressif/arduino-esp32/pull/8724)

since this project got created. The compilation fails in the ble_controller.cpp files, where the string class changed (std::string => String). How do I change the stringstream class and the getline function that is works with the new verison? Has someone already done the changes and likes to share them?

Thanks!

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