Remove word domain from h1, allow domains names to wrap

Signed-off-by: igorkorenfeld <52677065+igorkorenfeld@users.noreply.github.com>

src/registrar/assets/sass/_theme/_uswds-theme-custom-styles.scss

@@ -325,6 +325,9 @@ section.dashboard {
   }
 }
 
+.break-word {
+   word-break: break-word;
+}
 
 #wrapper {
   padding-top: units(3);

src/registrar/templates/domain_base.html

@@ -40,7 +40,7 @@
 
       {% block domain_content %}
 
-      <h1>Domain {{ domain.name }}</h1>
+      <h1 class="break-word">{{ domain.name }}</h1>
 
       {% endblock %}  {# domain_content #}