backend: fix pool smart search for tags
backend: fix pool smart search for tags

There are no inherited tags for pools, so don't try to match on it!

Part of #774.

SoundGoof/NIPAP,bbaja42/NIPAP,bbaja42/NIPAP,garberg/NIPAP,bbaja42/NIPAP,ettrig/NIPAP,SpriteLink/NIPAP,bbaja42/NIPAP,bbaja42/NIPAP,garberg/NIPAP,SpriteLink/NIPAP,garberg/NIPAP,garberg/NIPAP,SpriteLink/NIPAP,fredsod/NIPAP,SoundGoof/NIPAP,SoundGoof/NIPAP,ettrig/NIPAP,SpriteLink/NIPAP,SoundGoof/NIPAP,ettrig/NIPAP,ettrig/NIPAP,bbaja42/NIPAP,fredsod/NIPAP,fredsod/NIPAP,SpriteLink/NIPAP,SoundGoof/NIPAP,garberg/NIPAP,fredsod/NIPAP,ettrig/NIPAP,SoundGoof/NIPAP,fredsod/NIPAP,fredsod/NIPAP,ettrig/NIPAP,SpriteLink/NIPAP,garberg/NIPAP