refs #19080 [fid_bbi] add favicon

* add white background to favicons - Improving visibility on dark backgrounds.

themes/fid_bbi/templates/html-head.phtml

@@ -13,6 +13,9 @@
   <?=$this->headMeta()?>
   <?=$this->headTitle()?>
 
+  <link rel="icon" type="image/png" sizes="16x16" href="<?=$this->imageLink('favicon-16x16.png')?>">
+  <link rel="icon" type="image/png" sizes="32x32" href="<?=$this->imageLink('favicon-32x32.png')?>">
+
   <?php
   // Set up OpenSearch link
   $this->headLink(
@@ -25,12 +28,6 @@
   );
   ?>
 
-  <?php
-  if ($this->layout()->rtl) {
-    // $this->headLink()->appendStylesheet('vendor/bootstrap-rtl.min.css');
-  }
-  ?>
-
   <?=$this->headLink()?>
 
   <?php