address review feedback

guard against unexpected types

Author: js07

components/slack/actions/find-message/find-message.mjs

@@ -165,7 +165,7 @@ export default {
         ? error
         : error?.data?.error || error?.message;
 
-      if (!errorCode.includes("missing_scope")) {
+      if (!errorCode?.includes("missing_scope")) {
         return false;
       }
 

components/slack/slack.app.mjs

@@ -561,7 +561,7 @@ export default {
         if ([
           "not_in_channel",
           "channel_not_found",
-        ].some((errorType) => error.includes(errorType)) && asBot) {
+        ].some((errorType) => `${error}`.includes(errorType)) && asBot) {
           const followUp = method.startsWith("chat.")
             ? "Ensure the bot is a member of the channel, or set the **Send as User** option to true to act on behalf of the authenticated user."
             : "Ensure the bot is a member of the channel.";