fix: ignore updates when the minimap is closed

Related to #96
Closes #81

Author: Skaiir

lib/Minimap.js

@@ -439,6 +439,12 @@ Minimap.prototype._init = function() {
 };
 
 Minimap.prototype._requestUpdate = function() {
+
+  // ignore updates if closed
+  if (!this.isOpen()) {
+    return;
+  }
+
   const {
     debounceDelay = 100,
     debounceSkipDelay = 2000