Fix issues with Bootstrap Vue and Boostrap upgrades (#9452)

* start to fix modals

* fixed cards paddings

* fix notifications not being marked as read

* add tests for reading a notification

* fixed indentation and added tests for reading multiple notifications

* register from home page using enter key

website/client/components/auth/registerLoginReset.vue

@@ -4,7 +4,7 @@
     .seamless_stars_varied_opacity_repeat
 
   form#login-form(
-    v-on:submit.prevent='handleSubmit', 
+    @submit.prevent='handleSubmit', 
     @keyup.enter="handleSubmit", 
     v-if="!forgotPassword && !resetPasswordSetNewOne",
   )