fix: cloister library should autoconvert Ni to PnPnPnPnPn

[philihp]

CONFIG 1 france long
START R B
FELL_TREES 1 0
COMMIT
USE LR1
COMMIT
USE LR3
COMMIT
BUILD F09 3 1
USE F09
USE LR2 Gn
COMMIT
CUT_PEAT 0 0
COMMIT
BUILD G07 3 0
USE G07 PtPtPtPt
COMMIT
USE LR1
COMMIT
USE F09
USE LR2 Sh
COMMIT
BUILD G06 0 0
USE G06 CoCoCo
COMMIT
BUY_DISTRICT 2 HILLS
FELL_TREES 2 2
COMMIT
BUILD F04 3 2
COMMIT
USE F09
USE LR2 Gn
COMMIT
USE F04 GnGnGnGnGnGnGn
COMMIT
CUT_PEAT 0 2
COMMIT
BUILD F05 0 2
USE F05 FlFlFlFlFlFlFlCoWoBrBr
COMMIT
BUILD G12 1 0
COMMIT
USE G12 BrBrBrPnCoPt
BUY_PLOT 2 COAST
COMMIT
USE F09
USE LR3
BUY_PLOT 0 COAST
COMMIT
BUILD F08 -1 3
USE F08 PtPnWoSw
COMMIT
BUILD F11 -1 1
COMMIT
USE LR1
COMMIT
CUT_PEAT 0 1
COMMIT
BUILD G01 3 1
BUILD G02 3 0
BUILD F03 0 1
WORK_CONTRACT G01 Pn
USE G01
USE F08 PtPnClSh
SETTLE SR3 0 1 BrBrPn
BUY_DISTRICT 3 PLAINS
COMMIT
FELL_TREES 2 0
COMMIT
USE F09
USE G07 PtPtPtPtPtPtPt
COMMIT
BUILD G18 4 2
USE G18 ClClClSnCoWo
COMMIT
WORK_CONTRACT G13 Pn
USE G13 PnPn
COMMIT
USE F09
USE LR2 Gn
COMMIT
USE F04 GnGnGnGnGnGnGn
COMMIT
BUILD F17 4 3