fix bugs in php 8.1 changes (#6744)

* Update voicemail_greetings.php

* Update recordings.php

* Update recording_edit.php

* Update phrases.php

* Update phrase_edit.php

* Update music_on_hold_edit.php

* Update fax_queue.php

* Update extensions.php

* Update email_templates.php

* Update email_queue_edit.php

* Update dialplan_inbound_add.php

* Update device_profiles.php

* Update device_profile_copy.php

* Update contact_address_edit.php

* Update call_recordings.php

* Update call_center_agent_edit.php

* Update call_center_agents.php

* Update call_center_queues.php

* Update call_block.php

* Update menu_edit.php

* Update default_setting_edit.php

* Update database_edit.php

app/recordings/recording_edit.php

@@ -47,7 +47,7 @@
 	$text = $language->get();
 
 //get recording id
-	if (is_uuid($_REQUEST["id"])) {
+	if (!empty($_REQUEST["id"]) && is_uuid($_REQUEST["id"])) {
 		$recording_uuid = $_REQUEST["id"];
 	}
 
@@ -117,7 +117,7 @@ if (count($_POST) > 0 && empty($_POST["persistformvar"])) {
 		}
 
 	//update the database
-	if ($_POST["persistformvar"] != "true") {
+	if (empty($_POST["persistformvar"])) {
 		if (permission_exists('recording_edit')) {
 			//if file name is not the same then rename the file
 				if ($recording_filename != $recording_filename_original) {