Theme: Typography variables overhaul, theme cleanup, improvents to storybook ThemeColors component (#23531)

* Began text theme refactoring

* Consolidating blue varaibles

* Theme: Typography overhaul and theme cleanup

* Theme updates, alignment and fixes

* Updated snapshots

* Restored template variable class

* Updates

* added container

* Updated snapshot

public/sass/pages/_dashboard.scss

@@ -20,6 +20,10 @@ div.flot-text {
   }
 }
 
+.template-variable {
+  color: $variable;
+}
+
 .panel-solo {
   position: fixed;
   bottom: 0;