Firebase 云消息传递 sendToDevice 工作正常，但 sendMulticast 对于相同的令牌列表失败

With the new structure, both send and sendMulticast are working properly. Which would fail to send or give errors like apns key is not supported in payload.

新功能:

functions.database
  .ref("/discussionMessages/{autoId}/")
  .onCreate(async (snapshot, context) => {
    // console.log("Snapshot: ", snapshot);

    try {
      const groupsRef = admin.database().ref("people/groups");
      const adminUsersRef = groupsRef.child("admin");
      const filteredUsersRef = groupsRef.child("filtered");
      const filteredUsersSnapshot = await filteredUsersRef.once("value");
      const adminUsersSnapshot = await adminUsersRef.once("value");
      var adminUsersFIRTokens = {};
      var filteredUsersFIRTokens = {};

      if (filteredUsersSnapshot.exists()) {
        filteredUsersFIRTokens = filteredUsersSnapshot.val();
      }
      if (adminUsersSnapshot.exists()) {
        adminUsersFIRTokens = adminUsersSnapshot.val();
      }

      // console.log(
      //   "Admin and Filtered Users: ",
      //   adminUsersFIRTokens,
      //   " ",
      //   filteredUsersFIRTokens
      // );

      const topicName = "SpeechDrillDiscussions";
      const message = snapshot.val();

      // console.log("Received new message: ", message);

      const senderName = message.userName;
      const senderCountry = message.userCountryEmoji;
      const title = senderName + " " + senderCountry;
      const messageText = message.message;
      const messageTimestamp = message.messageTimestamp.toString();
      const messageID = message.hasOwnProperty("messageID")
        ? message.messageID
        : undefined;
      const senderEmailId = message.userEmailAddress;
      const senderUserName = getUserNameFromEmail(senderEmailId);

      const isSenderFiltered = filteredUsersFIRTokens.hasOwnProperty(
        senderUserName
      );

      console.log(
        "Will attempt to send notification for message with message id: ",
        messageID
      );

      var payload = {
        notification: {
          title: title,
          body: messageText,
        },
        data: {
          messageID: messageID,
          messageTimestamp: messageTimestamp,
        },
        apns: {
          payload: {
            aps: {
              sound: "default",
            },
          },
        },
      };
      console.log("Is sender filtered? ", isSenderFiltered);

      if (isSenderFiltered) {
        adminFIRTokens = Object.values(adminUsersFIRTokens);
        console.log("Sending filtered notification with sendMulticast()");
        payload.tokens = adminFIRTokens; //Needed for sendMulticast
        return admin
          .messaging()
          .sendMulticast(payload)
          .then((response) => {
            console.log(
              "Sent filtered message (using sendMulticast) notification: ",
              JSON.stringify(response)
            );
            if (response.failureCount > 0) {
              const failedTokens = [];
              response.responses.forEach((resp, idx) => {
                if (!resp.success) {
                  failedTokens.push(adminFIRTokens[idx]);
                }
              });
              console.log(
                "List of tokens that caused failures: " + failedTokens
              );
            }
            return true;
          });
      } else {
        console.log("Sending topic message with send()");
        payload.topic = topicName;
        return admin
          .messaging()
          .send(payload)
          .then((response) => {
            console.log(
              "Sent topic message (using send) notification: ",
              JSON.stringify(response)
            );
            return true;
          });
      }
    } catch (error) {
      console.log("Notification sent failed:", error);
      return false;
    }
  });