1.21: Wind Burst enchant on Mace gives a SurvivalFly false positive

[QalleVcs2]

Complete output of the ncp version command (please prefer text here)

Built from commit 6a13a6b

»Version information«
Server:
1.21.4-138-5395ae3 ~MC: 1.21.4~
Detected: 1.21.4
NoCheatPlus:
Plugin: 3.17.1-SNAPSHOT-Updated-2025_04_17-11_33
MCAccess: 1.13-1.21|? / Bukkit-API
Features:
blocks: BlocksMC1_4, BlocksMC1_5, BlocksMC1_6_1, BlocksMC1_7_2, BlocksMC1_8, BlocksMC1_9, BlocksMC1_10, BlocksMC1_11, BlocksMC1_12, BlocksMC1_13, BlocksMC1_14, BlocksMC1_15, BlocksMC1_16, BlocksMC1_17, BlocksMC1_19, BlocksMC1_20, MCAccessBukkitModern
checks: FastConsume, Gutenberg, HotFixFallingBlockPortalEnter
defaults: pvpKnockBackVelocity
Hooks:
AllViolations~NCP~ 1.0, ViolationFrequency~NCP~ 1.0

Server version:
This server is running Paper version 1.21.4-138-main@5395ae3 (2025-02-02T21:42:11Z) (Implementing API version 1.21.4-R0.1-SNAPSHOT)

Short description of the issue and how to reproduce (is it random / always happens / side conditions ?)

Using a Mace enchanted with Wind Burst, hit a mob while falling from a height. The enchantment will apply an upward velocity, but this will result in a false positive, and you will get teleported onto the ground.

Have you made any (noteworthy) changes to the default configuration of NCP?

None. Default configuration.

Do you run any other special plugins that affect game mechanics next to NC+ (skills, machines, adding/changing blocks, other anti-cheating)?

None. NCP is the only loaded plugin.

Provide additional information: for bypasses, vulnerabilities and reproducible issues, we request a debug log. Use GitHub gists or PasteBin or similar for errors and huge logs, or attach a (zip-) file here.

Here is a debug log:
https://pastebin.com/dSZwfQbt

25-04-17 19:23:19 [INFO] [VL] [MOVING_SURVIVALFLY] [KHORNE] VL=76.4(+76.4) distance=0.02 health=13.324518203735352/20.0 locationfrom=99.50, 77.22, -66.09 locationto=99.51, 77.23, -66.08 tags=hcollision+vdistrel+airjump+vacc
25-04-17 19:23:19 [FINE] [MOVING] [KHORNE] Set back type: CANCEL (schedule:true updatefrom:true)
25-04-17 19:23:19 [FINE] [MOVING] [KHORNE] Prepare set back to: world_hub/x=99.63515985617471,y=80.0,z=-64.91634648169965 (default.modern)
25-04-17 19:23:19 [FINE] [MOVING] [KHORNE] Schedule teleport (set back) to: Location{world=CraftWorld{name=world_hub},x=99.63515985617471,y=80.0,z=-64.91634648169965,pitch=84.11999,yaw=172.87918}
25-04-17 19:23:19 [FINE] [MOVING] [KHORNE] Player set back on tick: Skip teleport, player is there, already.