fix(editor): show widgets outside container (#2)

Resolves an issue where widgets and context menus were being cut off when they extended outside the
Editor's container by enabling fixedOverflowWidgets.

Refs: microsoft/monaco-editor#1203

index.html

@@ -4,7 +4,7 @@
   <meta charset="UTF-8"/>
   <link rel="icon" type="image/svg+xml" href="/favicon.ico"/>
   <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
-  <title>Pillarbox Theme Edito</title>
+  <title>Pillarbox Theme Editor</title>
   <link rel="stylesheet" href="scss/index.scss"/>
   <script type="module" src="./src/index.js"></script>
 </head>

src/components/css-editor.js

@@ -121,6 +121,7 @@ class CssEditor extends LitElement {
       language: 'css',
       theme: this.getTheme(),
       automaticLayout: true,
+      fixedOverflowWidgets: true,
       minimap: { enabled: false }
     });