Renders an image for a given widget. Props: - `accountId` - `widgetName` - `metadata` (optional) - will be fetched by default - `className` (optional) - `"d-inline-block"` by default - `style` (optional) - `{ width: "3em", height: "3em" }` by default - `imageStyle` (optional) - `{ objectFit: "cover", borderRadius: "0.6em" }` by default - `imageClassName` (optional) - `"shadow w-100 h-100"` by default - `thumbnail` - `"thumbnail"` by default