fix a bug regarding non-combining <LV,T> in hangul shaper

- input string: `<U+AC00,U+11F0>`
- expected result: `[uni1100.ljmo05=0+1024|uni1161.vjmo02=0+0|uni11F0.tjmo01=1+0]`, for instance.

After this patch is applied, we now have the expected result.