fix(ui5-multi-combobox): fix livechange behaviour (#2656)

Author: fifoosid

packages/main/src/MultiComboBox.js

@@ -468,7 +468,7 @@ class MultiComboBox extends UI5Element {
 			- value of the host and the internal input should be differnt in case of actual input
 			- input is called when a key is pressed => keyup should not be called yet
 		*/
-		const skipFiring = (this._inputDom.value === this.value) && isIE && !this._keyDown && !!this.placeholder;
+		const skipFiring = (this._inputDom.value === this.value) && isIE() && !this._keyDown && !!this.placeholder;
 
 		if (skipFiring) {
 			event.preventDefault();