DEV: Enable and fix no-trailing-spaces lint

.template-lintrc.js

@@ -37,7 +37,7 @@ module.exports = {
     "no-positive-tabindex": false,
     "no-quoteless-attributes": false,
     "no-shadowed-elements": true,
-    "no-trailing-spaces": false,
+    "no-trailing-spaces": true,
     "no-triple-curlies": true,
     "no-unbound": true,
     "no-unnecessary-concat": true,

app/assets/javascripts/admin/templates/api-keys-index.hbs

@@ -61,7 +61,6 @@
               icon="times"
               title="admin.api.revoke"}}
           {{/if}}
-          
         </td>
       </tr>
     {{/each}}
@@ -69,4 +68,4 @@
   </table>
 {{else}}
   <p>{{i18n "admin.api.none"}}</p>
-{{/if}}
+{{/if}}

app/assets/javascripts/discourse/templates/modal/associate-account-confirm.hbs

@@ -1,6 +1,6 @@
-{{#d-modal-body 
+{{#d-modal-body
     rawTitle=(
-      i18n "user.associated_accounts.confirm_modal_title" 
+      i18n "user.associated_accounts.confirm_modal_title"
       provider=(i18n (concat "login." model.provider_name ".name"))
     )
 }}