fix(mosaic): isolate scroll fades and align API key input size

Author: austincalvelage

packages/mosaic/src/components/scroll-area/scroll-area.styles.ts

@@ -71,6 +71,8 @@ const styles = stylex.create({
    * lives in `axes` below.
    */
   viewport: {
+    '--cl-scroll-area-progress-end': 0,
+    '--cl-scroll-area-progress-start': 0,
     flexBasis: 'auto',
     flexGrow: 1,
     flexShrink: 1,

packages/mosaic/src/features/user-profile/user-profile-api-keys-panel.view.tsx

@@ -116,7 +116,7 @@ export function UserProfileApiKeysPanelView({
         <Profile.PageTitle>{m.title}</Profile.PageTitle>
         <div {...stylex.props(styles.toolbar)}>
           <InputGroup.Root
-            size='sm'
+            size='md'
             xstyle={styles.search}
           >
             <InputGroup.Start>