move removing group member record logic after the leaving message is successfully sent

SessionMessagingKit/Sending & Receiving/Message Handling/MessageSender+ClosedGroups.swift

@@ -533,16 +533,6 @@ extension MessageSender {
                             variant: .infoClosedGroupCurrentUserLeft,
                             body: "GROUP_YOU_LEFT".localized()
                         ).update(db)
-                    }
-                    seal.fulfill((interactionId, nil))
-                }
-                .catch { error in
-                    seal.fulfill((interactionId, error))
-                }
-        }
-        catch {
-            seal.fulfill((interactionId, error))
-        }
                         
                         // Update the group (if the admin leaves the group is disbanded)
                         let wasAdminUser: Bool = try GroupMember
@@ -562,6 +552,16 @@ extension MessageSender {
                                 .filter(GroupMember.Columns.profileId == userPublicKey)
                                 .deleteAll(db)
                         }
+                    }
+                    seal.fulfill((interactionId, nil))
+                }
+                .catch { error in
+                    seal.fulfill((interactionId, error))
+                }
+        }
+        catch {
+            seal.fulfill((interactionId, error))
+        }
         
         // Return
         return promise