Use atomic writes to prevent file corruption #1435
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I have had a few instances within a span of a couple of hours, where my flash got wiped after doing some intense BLE connect/disconnect/request data etc. Only a full erase and reflash seemed to fix it, although i could see it lost its identity etc already after a simple reboot.
Not the prettiest fix, but it seems it fixed it for me, so will leave the PR here in case people notice the same behavior and want to test this fix also.