chore: add todo to use claimableOnCloseSats

Author: ovitrif

app/src/main/java/to/bitkit/ext/ChannelDetails.kt

@@ -14,7 +14,9 @@ import org.lightningdevkit.ldknode.MaxDustHtlcExposure
  * - outbound_capacity: What we can spend now over Lightning
  * - our_reserve: Our reserve that we get back on close
  */
+@Suppress("ForbiddenComment")
 val ChannelDetails.amountOnClose: ULong
+    // TODO: use channelDetails.claimableOnCloseSats
     get() {
         val outboundCapacitySat = this.outboundCapacityMsat / 1000u
         val ourReserve = this.unspendablePunishmentReserve ?: 0u