ref(toolbar): replace custom debounce with lodash throttle

The current custom debounce function sets a timeout and ensures
additional calls are not executed while the timeout is pending.
Regulating the call of a function while also ensuring it gets
called at a certain time is a throttle.

modules/util/helpers.js

@@ -16,36 +16,6 @@ export function createDeferred() {
     return deferred;
 }
 
-/**
- * Creates a debounced function that delays invoking func until after wait
- * milliseconds have elapsed since the last time the debounced function was
- * invoked.
- *
- * @param fn
- * @param wait
- * @param options
- * @returns {function(...[*])}
- */
-export function debounce(fn, wait = 0, options = {}) {
-    const leading = options.leading || false;
-    const trailing
-        = (typeof options.trailing === 'undefined') || options.trailing;
-    let called = false;
-
-    return (...args) => {
-        if (!called) {
-            leading && fn(...args);
-
-            setTimeout(() => {
-                called = false;
-                trailing && fn(...args);
-            }, wait);
-
-            called = true;
-        }
-    };
-}
-
 /**
  * Returns the namespace for all global variables, functions, etc that we need.
  *