Proposal to move success message to js alert (#95)

* Proposal to move success message to js alert

https://github.com/Nachtzuster/BirdNET-Pi/issues/92

* Align with basic

* Fix advanced.php

https://github.com/Nachtzuster/BirdNET-Pi/pull/95

scripts/advanced.php

@@ -580,10 +580,9 @@ foreach($formats as $format){
       <button onclick="if(<?php print($newconfig['PRIVACY_THRESHOLD']);?> != document.getElementById('privacy_threshold').value){return confirm('This will take about 90 seconds.')} collectrtspUrls();" type="submit" name="submit" value="advanced">
 <?php
 if(isset($_GET['submit'])){
-  echo "Success!";
-} else {
-  echo "Update Settings";
+  echo '<script>alert("Settings successfully updated");</script>';
 }
+echo "Update Settings";
 ?>
       </button></div>
       </form>

scripts/config.php

@@ -723,10 +723,9 @@ https://discordapp.com/api/webhooks/{WebhookID}/{WebhookToken}
       <button type="submit" id="basicformsubmit" onclick="if(document.getElementById('basicform').checkValidity()){this.innerHTML = 'Updating... please wait.';this.classList.add('disabled')}" name="view" value="Settings">
 <?php
 if(isset($_GET['status'])){
-  echo "Success!";
-} else {
-  echo "Update Settings";
+  echo '<script>alert("Settings successfully updated");</script>';
 }
+echo "Update Settings";
 ?>
       </button></div>
       </form>