I can confirm that this still is an issue in snapshot 25w34b, however as suggested above, after (in survival) I went 50+ blocks and right clicked the fishing rod, it began taking durability damage and I got the advancement.
I can confirm that this still is an issue in snapshot 25w34b, however as suggested above, after (in survival) I went 50+ blocks and right clicked the fishing rod, it began taking durability damage and I got the advancement.