Image/video border + tweaks (#5324)

* Image/video border (#5253)

* Update AutoSizedImage.tsx

* Update AutoSizedImage.tsx

* Update Gallery.tsx

* Update ExternalLinkEmbed.tsx

* Update MediaPreview.tsx

* Update UserAvatar.tsx

* Update ExternalLinkEmbed.tsx

* Update ExternalPlayerEmbed.tsx

* Update ExternalGifEmbed.tsx

* Update GifEmbed.tsx

* Update ExternalGifEmbed.tsx

* Update GifEmbed.tsx

* Update UserAvatar.tsx

* Update ExternalPlayerEmbed.tsx

* Update ExternalPlayerEmbed.tsx

* video

* Update QuoteEmbed.tsx

* Tweaks, abstract components

---------

Co-authored-by: Minseo Lee <itoupluk427@gmail.com>

src/components/Fill.tsx

@@ -0,0 +1,11 @@
+import React from 'react'
+import {View} from 'react-native'
+
+import {atoms as a, ViewStyleProp} from '#/alf'
+
+export function Fill({
+  children,
+  style,
+}: {children?: React.ReactNode} & ViewStyleProp) {
+  return <View style={[a.absolute, a.inset_0, style]}>{children}</View>
+}