`ScrollableView`: merge (some) changes from eXept
...to make it work with recent UI builder.
#define ScrollRtMotif_width 12
#define ScrollRtMotif_height 11
static unsigned char ScrollRtMotif_bits[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x78, 0x00, 0xf8, 0x01,
0x78, 0x00, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};