fix(Wait Node): Allow wait node to accept 0 waiting time input (#19159)

Co-authored-by: Elias Meire <elias@meire.dev>

packages/nodes-base/nodes/Wait/Wait.node.ts

@@ -503,7 +503,7 @@ export class Wait extends Webhook {
 			if (!validateWaitAmount(waitAmount)) {
 				throw new NodeOperationError(
 					context.getNode(),
-					'Invalid wait amount. It must be a positive number.',
+					'Invalid wait amount. Please enter a number that is 0 or greater.',
 				);
 			}