fix(ui5-multi-input): create token from pasted text on change (#8592)

Co-authored-by: Nia Peeva <[email protected]>

Author: niyap

packages/main/test/pages/MultiInput.html

@@ -476,7 +476,7 @@ <h1 class="sample-container-title">Eventing</h1>
 				token && token.remove();
 			});
 
-		document.getElementById("token-unique").addEventListener("paste", function (event) {
+		document.getElementById("token-unique").addEventListener("ui5-paste", function (event) {
 			event.preventDefault();
 
 			let pastedText = (event.clipboardData || window.clipboardData).getData('text/plain');;