Fix delete draft request being fired multiple times

Author: nuno-vieira

Sources/StreamChatSwiftUI/ChatChannel/Composer/MessageComposerViewModel.swift

@@ -54,7 +54,10 @@ open class MessageComposerViewModel: ObservableObject {
                 selectedRangeLocation = 0
                 suggestions = [String: Any]()
                 mentionedUsers = Set<ChatUser>()
-                deleteDraftMessage()
+
+                if oldValue != "" {
+                    deleteDraftMessage()
+                }
             }
         }
     }

StreamChatSwiftUITests/Tests/ChatChannel/MessageComposerViewModel_Tests.swift

@@ -765,6 +765,7 @@ class MessageComposerViewModel_Tests: StreamChatTestCase {
             channelController: channelController,
             messageController: nil
         )
+        viewModel.text = "text"
 
         // When
         viewModel.text = ""
@@ -787,6 +788,7 @@ class MessageComposerViewModel_Tests: StreamChatTestCase {
             channelController: channelController,
             messageController: messageController
         )
+        viewModel.text = "reply"
 
         // When
         viewModel.text = ""
@@ -804,6 +806,7 @@ class MessageComposerViewModel_Tests: StreamChatTestCase {
             channelController: channelController,
             messageController: nil
         )
+        viewModel.text = "text"
 
         // When
         viewModel.sendMessage(quotedMessage: nil, editedMessage: nil) {}
@@ -827,6 +830,7 @@ class MessageComposerViewModel_Tests: StreamChatTestCase {
             channelController: channelController,
             messageController: messageController
         )
+        viewModel.text = "reply"
 
         // When
         viewModel.sendMessage(quotedMessage: nil, editedMessage: nil) {}