calendar eventView.js: Try to cancel scroll-to-row callback when

set_events() is called.

This prevents some cjs/gobject warnings at startup.

files/usr/share/cinnamon/applets/calendar@cinnamon.org/eventView.js

@@ -618,6 +618,7 @@ class EventList {
         this.selected_date = GLib.DateTime.new_now_local();
         this.desktop_settings = desktop_settings;
         this._no_events_timeout_id = 0;
+        this._scroll_to_idle_id = 0;
         this._rows = [];
         this._current_event_data_list_timestamp = 0;
 
@@ -740,6 +741,11 @@ class EventList {
     }
 
     set_events(event_data_list, delay_no_events_box) {
+        if (this._scroll_to_idle_id > 0) {
+            Mainloop.source_remove(this._scroll_to_idle_id);
+            this._scroll_to_idle_id = 0;
+        }
+
         if (event_data_list !== null && event_data_list.timestamp === this._current_event_data_list_timestamp) {
             this._rows.forEach((row) => {
                 row.update_variations();
@@ -811,7 +817,11 @@ class EventList {
             this._rows.push(row);
         }
 
-        Mainloop.idle_add(Lang.bind(this, function(row) {
+        if (scroll_to_row == null) {
+            return;
+        }
+
+        this._scroll_to_idle_id = Mainloop.idle_add(Lang.bind(this, function(row) {
             let vscroll = this.events_scroll_box.get_vscroll_bar();
 
             if (row != null) {
@@ -820,6 +830,9 @@ class EventList {
             } else {
                 vscroll.get_adjustment().set_value(0);
             }
+
+            this._scroll_to_idle_id = 0;
+            return GLib.SOURCE_REMOVE;
         }, scroll_to_row));
     }
 }