TP-00000 | add null check in isVpaInputSelfPrimaryVpa (#7626)

navi-pay/src/main/kotlin/com/navi/pay/management/common/upiid/viewmodel/UPIIdInputViewModel.kt

@@ -152,7 +152,8 @@ class UPIIdInputViewModel @Inject constructor(
 
     private suspend fun isVpaInputSelfPrimaryVpa(vpaInput: String): Boolean {
         val linkedAccountEntities = linkedAccountsUseCase.execute()
-        return linkedAccountEntities.first { it.isAccountPrimary }.vpa == vpaInput
+        val primaryAccount = linkedAccountEntities.firstOrNull { it.isAccountPrimary }
+        return primaryAccount?.vpa == vpaInput
     }
 
     fun verifyUPIId() {