bugfix (salsah): add missing icon for "bild"
bugfix (salsah): add missing icon for "bild"

dhlab-basel/Knora,musicEnfanthen/Knora,dhlab-basel/Knora,musicEnfanthen/Knora,dhlab-basel/Knora,dhlab-basel/Knora,dhlab-basel/Knora,nie-ine/Knora,nie-ine/Knora,nie-ine/Knora,musicEnfanthen/Knora,musicEnfanthen/Knora,musicEnfanthen/Knora,nie-ine/Knora,nie-ine/Knora,musicEnfanthen/Knora,nie-ine/Knora,musicEnfanthen/Knora,dhlab-basel/Knora,dhlab-basel/Knora