fix(shared/tokens): update hasGiveableBalance to use hasDisplayableBalance to assert against smallest unit (#898)

Signed-off-by: Brandon McAnsh <git@bmcreations.dev>

Author: bmc08gt

apps/flipcash/shared/tokens/src/main/kotlin/com/flipcash/app/tokens/TokenCoordinator.kt

@@ -186,7 +186,7 @@ class TokenCoordinator @Inject constructor(
     fun hasGiveableBalance(): Boolean =
         _state.value.balances
             .values
-            .any { it.isPositive }
+            .any { it.hasDisplayableValue }
 
     fun balanceForToken(token: Token): Fiat = _state.value.balances[token.address] ?: Fiat.Zero