Allow Mainnet-only contracts (#117)

Author: tonycdot

src/app/integration/chains/[bridgedChainId]/content.mdx

@@ -173,7 +173,9 @@ To get biomapping status for some address `addressToCheck` in the last known gen
 {/* prettier-ignore-start */}
 
 `biomappingPtrInLastKnownGeneration` is the block number on
-<If condition={stages[mainStageId].bridged[props.bridgedChainId] !== null}>Humanode Mainnet or</If> Humanode Testnet 5
+<If condition={stages[mainStageId].bridged[props.bridgedChainId] !== null}>Humanode Mainnet</If>
+<If condition={stages[mainStageId].bridged[props.bridgedChainId] !== null && stages["testnet5"].bridged[props.bridgedChainId] !== null}>or</If>
+<If condition={stages["testnet5"].bridged[props.bridgedChainId] !== null}>Humanode Testnet 5</If>
 of biomapping tx in the last known generation for specified address,
 or zero if such address is not biomapped.