fixed bug where the linear progress never went away because the loading boolean was never being reset when no contracts were loaded, also added to the note in the contracts that the names of custom types have to match

src/contract/contractSettings.tsx

@@ -402,7 +402,7 @@ export default function ContractSettings(props: Props) {
               borderRadius: 5,
               margin: 20
             }}>
-            Note: When delivering grain on contract from a field or a bin the Grain Types must match
+            Note: When delivering grain on contract from a field or a bin the Grain Types must match, if it is a custom type the names must match.
           </Typography>
         </Box>
         <Grid