Handle missing dashboard texture

Currently the game just crashes

ACCESS_VIOLATION (0xC0000005) at EIP=0x00514B20 (agiMeshSet::LockIfResident + 0x0)
EAX=05759073 EBX=00000000 ECX=00000000 EDX=14D38FFC
ESI=14C4ADBC EDI=14D38F40 EBP=0019F550 ESP=0019F53C
10. 0x00514B20 (agiMeshSet::LockIfResident + 0x0)
9. 0x004220B8 (mmDashView::Cull + 0x1B8)
8. 0x00525237 (asCullManager::Update + 0x1A7)
7. 0x00522AF2 (asSimulation::Simulate + 0x92)
6. 0x00402CCC (ApplicationHelper + 0x149C)
5. 0x67A2792C (Application + 0x3DC)
4. 0x67A27B23 (MidtownMain + 0x173)

0x1F9F1 / Open1560

Handle missing dashboard texture #68