Ok this is an odd one...
If there's a question that , for no good reason, I've never asked is "Do other people have an issue with the 1st (index) finger muting/deadening the string "physically" below it ?
Example A min open chord my index kills the string below it, I've had to learn to do A min/ etc chords using 2nd,3rd,4th fingers it does make going from an open to bar chord min helluva-lot easier
It's just one weird thing I've never really got around to asking till now.
Super common. Trim your fingernails and practice a lot to build up callouses on your fingertips.