perf(app): load embed author and footer icons through the image cache (#1756)

fluxer_app/src/features/channel/components/embeds/channel_embed/EmbedParts.tsx

@@ -5,6 +5,7 @@ import styles from '@app/features/channel/components/embeds/ChannelEmbed.module.
 import {EmbedLink} from '@app/features/channel/components/embeds/channel_embed/EmbedLink';
 import {SafeMarkdown} from '@app/features/messaging/components/markdown';
 import {MarkdownContext} from '@app/features/messaging/components/markdown/renderers/RendererTypes';
+import {useCachedImageLoaded} from '@app/features/messaging/hooks/useCachedImageLoaded';
 import {buildMediaProxyURL} from '@app/features/messaging/utils/MediaProxyUtils';
 import * as DateUtils from '@app/features/user/utils/DateFormatting';
 import type {EmbedAuthor, EmbedField, EmbedFooter} from '@fluxer/schema/src/domains/message/EmbedSchemas';
@@ -32,10 +33,11 @@ export const EmbedAuthorComponent: FC<{author?: EmbedAuthor}> = observer(({autho
 	const iconSrc = author?.proxy_icon_url
 		? buildMediaProxyURL(author.proxy_icon_url, animatedMediaPlaybackAllowed ? {} : {format: 'webp', animated: false})
 		: undefined;
+	const iconLoaded = useCachedImageLoaded(iconSrc);
 	if (!author) return null;
 	return (
 		<div className={styles.embedAuthor} data-flx="channel.embeds.embed.embed-author-component.embed-author">
-			{iconSrc && (
+			{iconSrc && iconLoaded && (
 				<img
 					alt=""
 					className={styles.embedAuthorIcon}
@@ -181,13 +183,14 @@ export const EmbedFooterComponent: FC<{
 	const iconSrc = footer?.proxy_icon_url
 		? buildMediaProxyURL(footer.proxy_icon_url, animatedMediaPlaybackAllowed ? {} : {format: 'webp', animated: false})
 		: undefined;
+	const iconLoaded = useCachedImageLoaded(iconSrc);
 	if (!(footer || formattedTimestamp)) return null;
 	return (
 		<div
 			className={clsx(styles.embedFooter, footer?.proxy_icon_url && styles.hasThumbnail)}
 			data-flx="channel.embeds.embed.embed-footer-component.embed-footer"
 		>
-			{iconSrc && (
+			{iconSrc && iconLoaded && (
 				<img
 					alt=""
 					className={styles.embedFooterIcon}