Since last update (22.214.171.1243.ga029a6c4-a) when you search for a song and no song is being played (even when you just have paused the current song), spotify automatic play the song you found.
The big problem is that this operation override your current playlist...
Updated on 2021-06-26
We are closing this suggestion because it seems that this issue you're reporting was fixed on the last update.
Feel free to reach out here in the community again if anything else lights up.
Stay awesome! 🙂