Not properly applying resource pack texture changes [Forge 1.16.5]

[Heyy-ItsCaitlyn]

Resource pack changes to spruce leaves are not being properly applied to Better Foliage extra leaf textures. As a result, the difference between leaf blocks and Better Foliage extra leaf textures is very noticeable.

Vanilla resource pack:

Unity resource pack (found here):

Mod list:

Forge 36.1.32

architectury-1.18.25-forge AutoRegLib-1.6-49 BetterFoliage-2.6.5-Forge-1.16.5 ftb-gui-library-1605.2.1.41-forge jei-1.16.5-7.7.0.106 kotlinforforge-1.13.0-obf mgui-1.16.5-3.2.0 observerlib-1.16.5-1.5.3 OptiFine_1.16.5_HD_U_G8 (Images were taken with Optifine ON, but issue still occurs without Optifine installed)