refs #17913 [fid] handle BARF leading whitespaces back link in fid!

themes/fid/templates/fid/user/init.phtml

@@ -129,7 +129,7 @@ $elemSubmit->setAttributes(['class' => 'btn btn-primary']);
     <a class="back-to-login btn btn-link"
        href="<?= $this->url('myresearch-userlogin') ?>">
         <i class="fa fa-chevron-left" aria-hidden="true"></i>
-        <?= $this->transEsc('Back') ?>
+      <span class="decorate"><?=$this->transEsc('Back')?></span>
     </a>
     <?= $this->formElement($elemSubmit) ?>
 </div>

themes/fid/templates/fid/user/password-reset.phtml

@@ -78,7 +78,7 @@ $elemSubmit->setAttributes(['class' => 'btn btn-primary']);
 <div class="form-group">
     <a class="back-to-login btn btn-link" href="<?=$this->url('myresearch-userlogin') ?>">
         <i class="fa fa-chevron-left" aria-hidden="true"></i>
-        <?=$this->transEsc('Back')?>
+        <span class="decorate"><?=$this->transEsc('Back')?></span>
     </a>
     <?= $this->formElement($elemSubmit) ?>
 </div>

themes/fid/templates/fid/user/username-change.phtml

@@ -93,7 +93,7 @@ $elemSubmit->setAttributes(['class' => 'btn btn-primary']);
 <div class="form-group">
     <a class="back-to-login btn btn-link" href="<?=$this->url('myresearch-userlogin') ?>">
         <i class="fa fa-chevron-left" aria-hidden="true"></i>
-        <?=$this->transEsc('Back')?>
+      <span class="decorate"><?=$this->transEsc('Back')?></span>
     </a>
     <?= $this->formElement($elemSubmit) ?>
 </div>