Tablature grace note layout issues
The TAB COMMON style will display a grace note stem (no slash) above the staff. It should add a slash for ACCIACCATURA.
Switch from TAB COMMON to TAB FULL. Notice the grace note stems move closer to the grace notes (good), however the slash is left up above the staff. Switch back to TAB COMMON and the slashes are visible but above the top of the grace stem.
Turn off the TAB CLEF. Any TAB staff that starts with grace notes will now draw the grace notes in the left margin. Add the TAB CLEF back in and all's good.