feat: redesign toolbar & tweaks (#4387)

src/excalidraw-app/components/ExportToExcalidrawPlus.tsx

@@ -78,7 +78,7 @@ export const ExportToExcalidrawPlus: React.FC<{
   onError: (error: Error) => void;
 }> = ({ elements, appState, files, onError }) => {
   return (
-    <Card color="indigo">
+    <Card color="primary">
       <div className="Card-icon">{excalidrawPlusIcon}</div>
       <h2>Excalidraw+</h2>
       <div className="Card-details">

src/excalidraw-app/index.scss

@@ -9,7 +9,7 @@
 
   .encrypted-icon {
     border-radius: var(--space-factor);
-    color: var(--icon-green-fill-color);
+    color: var(--color-primary);
     margin-top: auto;
     margin-bottom: auto;
     margin-inline-start: auto;