changed li id to match conventions described by talbs

lms/templates/forgot_password_modal.html

@@ -17,7 +17,7 @@
           <legend class="is-hidden">${_("Required Information")}</legend>
 
           <ol class="list-input">
-            <li class="field required text" id="field-email-for-forgot-pwd">
+            <li class="field required text" id="forgot-password-modal-field-email">
               <label for="pwd_reset_email">${_("Your E-mail Address")}</label>
               <input class="" id="pwd_reset_email" type="email" name="email" value="" placeholder="example: username@domain.com" aria-describedby="pwd_reset_email-tip" />
               <span class="tip tip-input" id="pwd_reset_email-tip">${_("This is the e-mail address you used to register with {platform}").format(platform=settings.PLATFORM_NAME)}</span>