chore(statics): ensure consistency between erc20 and ofcerc20

- adds a test to prevent drift
- add new prop to OfcCoin: 'minimumDenomination'

Ticket: GNA-1300

Author: joeybaibg

modules/statics/src/base.ts

@@ -334,6 +334,7 @@ export enum CoinFeature {
  * asset for which the coin is a unit of account.
  */
 export enum UnderlyingAsset {
+  INVALID_UNKNOWN = 'invalid_asset_type',
   ADA = 'ada',
   ALGO = 'algo',
   APE = 'ape',