Remove use of flatten where possible (#9325)

* remove use of flatten where possible

* restore flatten where it says it's needed

* missing utils alpha

src/components/Loader.web.tsx

@@ -1,6 +1,6 @@
 import {View} from 'react-native'
 
-import {atoms as a, flatten, useTheme} from '#/alf'
+import {atoms as a, useTheme} from '#/alf'
 import {type Props, useCommonSVGProps} from '#/components/icons/common'
 import {Loader_Stroke2_Corner0_Rounded as Icon} from '#/components/icons/Loader'
 
@@ -24,7 +24,7 @@ export function Loader(props: Props) {
             a.absolute,
             a.inset_0,
             t.atoms.text_contrast_high,
-            flatten(props.style),
+            props.style,
           ]}
         />
       </div>