A couple of adjustments to ProcessPageLister module to correct issue of neverending spinner when ajax result was missing an expected row, plus improve the ajax spinner output, especially for AdminThemUikit which previously was not showing a spinner.

wire/core/Modules.php

@@ -3030,6 +3030,7 @@ class Modules extends WireArray {
 	 * @param string $property Name of property to get
 	 * @param array $options Additional options (see getModuleInfo method for options)
 	 * @return mixed|null Returns value of property or null if not found
+	 * @since 3.0.107
 	 * 
 	 */
 	public function getModuleInfoProperty($class, $property, array $options = array()) {