feat(ui): add delete action to failed message

This commit introduces a new message action that allows users to delete a message that failed to send.

The new action is added to the `MessageActionsBuilder` and is only displayed when the message state is `isSendingFailed`.

Author: xsahil03x

packages/stream_chat_flutter/lib/src/message_action/message_actions_builder.dart

@@ -79,6 +79,17 @@ class StreamMessageActionsBuilder {
               ),
             ),
           ),
+          if (messageState.isSendingFailed)
+            StreamMessageAction(
+              isDestructive: true,
+              action: HardDeleteMessage(message: message),
+              leading: const StreamSvgIcon(icon: StreamSvgIcons.delete),
+              title: Text(
+                context.translations.toggleDeleteRetryDeleteMessageText(
+                  isDeleteFailed: false,
+                ),
+              ),
+            ),
         ],
         if (message.state.isDeletingFailed)
           StreamMessageAction(