fix(ui5-combobox): User action cancelled when clicking "X" on mobile (#2742)

Fixes: #2449

Author: Martotko

packages/main/src/ComboBox.js

@@ -468,6 +468,11 @@ class ComboBox extends UI5Element {
 
 	_afterOpenPopover() {
 		this._iconPressed = true;
+
+		if (isPhone() && this.value) {
+			this.filterValue = this.value
+		}
+
 		this._clearFocus();
 	}
 
@@ -631,7 +636,13 @@ class ComboBox extends UI5Element {
 		}
 	}
 
-	_closeRespPopover() {
+	_closeRespPopover(event) {
+		if (isPhone() && event && event.target.classList.contains("ui5-responsive-popover-close-btn") && this._selectedItemText) {
+			this.value = this._selectedItemText;
+			this.filterValue = this._selectedItemText;
+			this._tempValue = this._selectedItemText;
+		}
+
 		this.responsivePopover.close();
 	}
 
@@ -693,6 +704,7 @@ class ComboBox extends UI5Element {
 		const listItem = event.detail.item;
 
 		this._tempValue = listItem.mappedItem.text;
+		this._selectedItemText = listItem.mappedItem.text;
 		this.filterValue = this._tempValue;
 
 		if (!listItem.mappedItem.selected) {