Don't crash if find_address() is called with a multisig address, but no ms_wallet

ports/stm32/boards/Passport/modules/utils.py

@@ -511,6 +511,7 @@ def folder_exists(path):
 def find_address(path, start_address_idx, address, addr_type, ms_wallet, max_to_check=100, reverse=False):
     import stash
 
+    try:
         with stash.SensitiveValues() as sv:
             if ms_wallet:
                 # NOTE: Can't easily reverse order here, so this is slightly less efficient
@@ -535,6 +536,9 @@ def find_address(path, start_address_idx, address, addr_type, ms_wallet, max_to_
                     if curr_address == address:
                         return (curr_idx, addr_path)
         return (-1, None)
+    except Exception as e:
+        # Any address handling exceptions result in no address found
+        return (-1, None)
 
 def get_accounts():
     from common import settings