chore: update asset css

Co-authored-by: Marissa Huysentruyt <69602589+marissahuysentruyt@users.noreply.github.com>

Author: TarunAdobe

2nd-gen/packages/swc/components/asset/asset.css

@@ -11,7 +11,17 @@
  * governing permissions and limitations under the License.
  */
 
+:host {
+display: flex;
+}
+
 .spectrum-Asset {
+    display: flex; // we would also need this here for the `align-items` & `justify-content`
+    align-items: center;
+	justify-content: center;
+	inline-size: 100%;
+	block-size: 100%;
+}
     display: flex;
     align-items: center;
     justify-content: center;