Allow changing entry creator from the edit entry screen (#2141)

This PR addresses #721.




![Export-1726495408919](https://github.com/user-attachments/assets/5ccb7b24-e5c5-40f9-9fde-ac2519c199f8)


💾 [Build
file](https://www.dropbox.com/scl/fi/z7xe0u9xanma183bkd3cn/gravityview-2.29-2cf75895f.zip?rlkey=expfnqnw3dxtkczcgz21bl6ky&dl=1)
(2cf7589).

includes/class-gravityview-admin-bar.php

@@ -127,9 +127,12 @@ function add_edit_entry_link() {
 	 */
 	function add_edit_view_and_form_link() {
 		/** @var WP_Admin_Bar $wp_admin_bar */
-		global $wp_admin_bar;
+		global $wp_admin_bar, $post;
 
-		if ( ! GVCommon::has_cap( array( 'edit_gravityviews', 'edit_gravityview', 'gravityforms_edit_forms' ) ) ) {
+		if ( ! GVCommon::has_cap(
+			[ 'edit_gravityviews', 'edit_gravityview', 'gravityforms_edit_forms' ],
+			isset( $post ) ? $post->ID : null
+		) ) {
 			return;
 		}