Fix assumeutxo crash due to truncated file

Author: MarcoFalke

src/validation.cpp

@@ -5345,12 +5345,12 @@ bool ChainstateManager::PopulateAndValidateSnapshot(
     while (coins_left > 0) {
         try {
             coins_file >> outpoint;
+            coins_file >> coin;
         } catch (const std::ios_base::failure&) {
-            LogPrintf("[snapshot] bad snapshot - no coins left after deserializing %d coins\n",
-                coins_count - coins_left);
+            LogPrintf("[snapshot] bad snapshot format or truncated snapshot after deserializing %d coins\n",
+                      coins_count - coins_left);
             return false;
         }
-        coins_file >> coin;
         coins_cache.EmplaceCoinInternalDANGER(std::move(outpoint), std::move(coin));
 
         --coins_left;