Format styles with updated prettier config

In the system color PR I updated the prettier config to match what we use on zed.dev. I didn't want to format all of styles as it would add a lot of unrelated line changes to that PR.

Doing that format now.

styles/src/styleTree/sharedScreen.ts

@@ -1,9 +1,9 @@
-import { ColorScheme } from "../themes/common/colorScheme";
-import { background } from "./components";
+import { ColorScheme } from "../themes/common/colorScheme"
+import { background } from "./components"
 
 export default function sharedScreen(colorScheme: ColorScheme) {
-  let layer = colorScheme.highest;
-  return {
-    background: background(layer)
-  }
+    let layer = colorScheme.highest
+    return {
+        background: background(layer),
+    }
 }