[Fix] Improve Class-Subclass Linkage (#1846)

* Initial thoughts

* .

* Fixed linting

* Continue work on updating identifier

* Change to uuid approach

* Localization and minor fix

* Fixed CompendiumBrowser Class filter for Subclass view

* Fixed the class name display in the subclass view

* Improved missing class visual for subclass

* Fixed character creation

* Rerender class sheets when subclass link is changed

* Use compendium source over actual uuid in search

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Co-authored-by: Carlos Fernandez <cfern1990@gmail.com>

templates/sheets/items/class/header.hbs

@@ -3,7 +3,6 @@
     <div class='item-info'>
         <h1 class='item-name'><input type='text' name='name' value='{{source.name}}' /></h1>
         <div class='item-description'>
-            <h3>{{localize 'TYPES.Item.class'}}</h3>
             <h3 class="form-fields domain-section">
                 <span>{{localize "DAGGERHEART.GENERAL.Domain.plural"}}</span>
                 <input class="domain-input" value="{{domains}}" />