chore: Show valid error messages on Inbox creation (#9474)

At the moment, when creating an inbox for Whatsapp, Telegram, etc., we show a generic error message saying that inbox creation failed. This PR will show the error messages directly from the API call, which is more helpful as it says if the error is due to the provided credentials.

app/javascript/dashboard/routes/dashboard/settings/inbox/channels/360DialogWhatsapp.vue

@@ -111,7 +111,9 @@ export default {
           },
         });
       } catch (error) {
-        this.showAlert(this.$t('INBOX_MGMT.ADD.WHATSAPP.API.ERROR_MESSAGE'));
+        this.showAlert(
+          error.message || this.$t('INBOX_MGMT.ADD.WHATSAPP.API.ERROR_MESSAGE')
+        );
       }
     },
   },

app/javascript/dashboard/routes/dashboard/settings/inbox/channels/CloudWhatsapp.vue

@@ -155,7 +155,9 @@ export default {
           },
         });
       } catch (error) {
-        this.showAlert(this.$t('INBOX_MGMT.ADD.WHATSAPP.API.ERROR_MESSAGE'));
+        this.showAlert(
+          error.message || this.$t('INBOX_MGMT.ADD.WHATSAPP.API.ERROR_MESSAGE')
+        );
       }
     },
   },

app/javascript/dashboard/routes/dashboard/settings/inbox/channels/Telegram.vue

@@ -86,7 +86,8 @@ export default {
         });
       } catch (error) {
         this.showAlert(
-          this.$t('INBOX_MGMT.ADD.TELEGRAM_CHANNEL.API.ERROR_MESSAGE')
+          error.message ||
+            this.$t('INBOX_MGMT.ADD.TELEGRAM_CHANNEL.API.ERROR_MESSAGE')
         );
       }
     },