Switch $_GET to $_POST

Signed-off-by: Kev Provance <[email protected]>

Author: kprovance

redux-core/inc/extensions/users/class-redux-extension-users.php

@@ -1005,7 +1005,7 @@ public function user_meta_save( $user_id = 0 ): bool {
 
 			$check_user_id = sanitize_text_field( wp_unslash( $_POST['checkuser_id'] ?? 1 ) );
 
-			$user       = sanitize_text_field( wp_unslash( $_GET['user_id'] ?? get_current_user_id() ) );
+			$user       = sanitize_text_field( wp_unslash( $_POST['user_id'] ?? get_current_user_id() ) );
 			$this->meta = Redux_Users::get_user_meta( array( 'user' => $user ) );
 
 			$to_save    = array();