chore(flipcash): invalidate wallet connection for reconnect on each onramp flow

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

Author: bmc08gt

apps/flipcash/shared/onramp/phantom/src/main/kotlin/com/flipcash/app/onramp/internal/PhantomDepositState.kt

@@ -232,6 +232,8 @@ class PhantomDepositState(
     fun reset() {
         deeplinkState = PhantomDeeplinkState.IDLE
         amount = null
+        walletConnection = null
+        connectionResult = null
         unsignedTransaction = null
         signedTransaction = null
         signingResult = null