fix: fix ec send from pending if map contains absent value

app/src/main/java/org/thoughtcrime/securesms/loki/activities/EditClosedGroupActivity.kt

@@ -298,7 +298,7 @@ class EditClosedGroupActivity : PassphraseRequiredActionBarActivity() {
             }.failUi { exception ->
                 val message = if (exception is ClosedGroupsProtocol.Error) exception.description else "An error occurred"
                 Toast.makeText(this@EditClosedGroupActivity, message, Toast.LENGTH_LONG).show()
-                loader.fadeOut()
+                loaderContainer.fadeOut()
                 isLoading = false
             }
         } else {

app/src/main/java/org/thoughtcrime/securesms/loki/protocol/ClosedGroupsProtocolV2.kt

@@ -145,9 +145,7 @@ object ClosedGroupsProtocolV2 {
         val admins = group.admins.map { it.serialize() }
         val adminsAsData = admins.map { Hex.fromStringCondensed(it) }
         val sentTime = System.currentTimeMillis()
-        val encryptionKeyPair = pendingKeyPair.getOrElse(groupPublicKey) {
-            Optional.fromNullable(apiDB.getLatestClosedGroupEncryptionKeyPair(groupPublicKey))
-        }.orNull()
+        val encryptionKeyPair = pendingKeyPair[groupPublicKey]?.orNull() ?: Optional.fromNullable(apiDB.getLatestClosedGroupEncryptionKeyPair(groupPublicKey)).orNull()
         if (encryptionKeyPair == null) {
             Log.d("Loki", "Couldn't get encryption key pair for closed group.")
             throw Error.NoKeyPair