fix: bring back HTML fixes which were silently reverted in a merge commit

introduced in ed15b615 and reverted in 40707985

templates/LoginForm.php

@@ -136,7 +136,10 @@ if (null !== $this->data['errorCode']) {
                                        placeholder="<?php echo htmlspecialchars($passHint, ENT_QUOTES); ?>"/>
 
                                 <strong id="message"><?php echo htmlspecialchars($this->data['message'] ?? '', ENT_QUOTES); ?></strong>
-                                <br>
+                                <br><br>
+                                <label for="otp" class="sr-only">
+                                    <?php echo $this->t('{privacyidea:privacyidea:otp}'); ?>
+                                </label>
                                 <input id="otp" name="otp" type="password"
                                        placeholder="<?php echo htmlspecialchars($otpHint, ENT_QUOTES); ?>">
                                 <br><br>
@@ -226,10 +229,7 @@ if (null !== $this->data['errorCode']) {
                 </div> <!-- form-panel -->
 
                 <div id="AlternateLoginOptions" class="groupMargin">
-
-                    <h3><label><?php echo $this->t('{privacyidea:privacyidea:alternate_login_options}'); ?></label></h3>
-                    <br>
-
+                    <h3><?php echo $this->t('{privacyidea:privacyidea:alternate_login_options}'); ?></h3>
                     <!-- Alternate Login Options-->
                     <input id="useWebAuthnButton" name="useWebAuthnButton" type="button" value="WebAuthn"/>
                     <input id="usePushButton" name="usePushButton" type="button" value="Push"/>