Store for EditPassword Modal (#3979)

* External store (WIP)

* address & meta

* Add editable (WIP)

* View converted (WIP)

* Single API stub creation

* Testing (WIP)

* Simplified meta assign

* Tests running

* Fix duplicate exports

* Fix tags not editable

js/src/views/Account/Header/header.js

@@ -72,7 +72,7 @@ export default class Header extends Component {
           </div>
 
           <div className={ styles.tags }>
-            <Tags tags={ meta.tags } />
+            <Tags tags={ meta.tags.slice() } />
           </div>
           <div className={ styles.balances }>
             <Balance