As suggested by @mikehardy's comment, I am opening a new issue for this.

The problem is that when rescheduling a card, this card interval is set to the delay set in the rescheduling. If my cards' intervals are 3 months, and I set a reschedule for these cards in 4 days, these cards' intervals are now 4 days. Anki desktop doesn't do that.: it keeps the original interval.

So, it would be nice if either the interval is never reset when rescheduling or there was a feature to choose to reset the interval or not.

@krmanik has already done a bit of debugging in this comment

This is not a duplicate of #9740 as this issue concerns the ease, not the interval.