2017 Toyota Corolla LE - clicking / cracking noise coming from the drivers inside side door panel area behind front drivers wheel.

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For my 2017 Toyota Corolla LE - After getting a ticking / tapping sound coming from the drivers side window column fixed by the Toyota dealer (it was a loose interior part of the door column push-button door sensor), I noticed a clicking / cracking noise coming from the drivers inside door panel area behind the front drivers wheel, down low by the bottom of the door frame. Anyone know what this could be?
 
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