Convert all remaining Modals to use Portal (UI consistency) (#4625)

* FirstRun dialog -> Portal

* CreateAccount Modal -> Portal

* CreateWallet dialog -> Portal

* Transfer dialog -> Portal

* Fix failing tests

* ShapeShift dialog -> Portal

* Verification dialog -> Portal

* EditMeta dialog -> Portal

* PasswordManager dialog -> Portal

* WalletSettings dialog -> Portal

* AddAddress dialog -> Portal

* s/delete address/forget address/

* AddContract dialog -> Portal

* DeployContract dialog -> Portal

* ExceuteContract dialog -> Portal

* LoadContract dialog -> Portal

* SaveContract dialog -> Portal

* UpgradeParity dialog -> Portal

* Convert inline modals (tsk, tsk)

* Remove ui/Modal

* Import dialog i18n

* Button array returns (thanks @derhuerst)

* Unneeded debug

* Typo

* Readability formatting

js/src/ui/Portal/portal.example.js

@@ -19,7 +19,6 @@ import React, { Component } from 'react';
 import { Button } from '~/ui';
 import PlaygroundExample from '~/playground/playgroundExample';
 
-import Modal from '../Modal';
 import Portal from './portal';
 
 export default class PortalExample extends Component {
@@ -61,14 +60,6 @@ export default class PortalExample extends Component {
           <div>
             <button onClick={ this.handleOpen(2) }>Open</button>
 
-            <Modal
-              title='Modal'
-              visible={ open[2] || false }
-            >
-              <button onClick={ this.handleOpen(3) }>Open</button>
-              <button onClick={ this.handleClose }>Close</button>
-            </Modal>
-
             <Portal
               isChildModal
               open={ open[3] || false }

js/src/ui/Portal/portal.js

@@ -71,10 +71,7 @@ export default class Portal extends Component {
     }
 
     return (
-      <ReactPortal
-        isOpened
-        onClose={ this.handleClose }
-      >
+      <ReactPortal isOpened>
         <div
           className={ styles.backOverlay }
           onClick={ this.handleClose }
@@ -159,6 +156,8 @@ export default class Portal extends Component {
     if (!hideClose) {
       onClose();
     }
+
+    this.stopEvent(event);
   }
 
   handleKeyDown = (event) => {