refactor: deduplicate HEX64_REGEX to js/utils/hex.js

Moves the repeatedly defined HEX64_REGEX constant to a shared utility
module to improve maintainability and consistency. Updates all consumers
to import from the new location.

Signed-off-by: Jules <[email protected]>

Co-authored-by: PR0M3TH3AN <[email protected]>

js/ui/components/VideoCard.js

@@ -12,10 +12,11 @@ import {
   normalizeVideoModerationContext,
 } from "../moderationUiHelpers.js";
 import { buildModerationBadgeText } from "../moderationCopy.js";
+import { HEX64_REGEX } from "../../utils/hex.js";
 
 const SVG_NAMESPACE = "http://www.w3.org/2000/svg";
 const DEFAULT_PROFILE_AVATAR = "assets/svg/default-profile.svg";
-const HEX64_REGEX = /^[0-9a-f]{64}$/i;
+
 
 export class VideoCard {
   constructor({

js/ui/components/VideoModal.js

@@ -46,8 +46,9 @@ import {
   isLinkPreviewDomainAllowed,
   subscribeToLinkPreviewSettings,
 } from "../../utils/linkPreviewSettings.js";
+import { HEX64_REGEX } from "../../utils/hex.js";
+
 
-const HEX64_REGEX = /^[0-9a-f]{64}$/i;
 const SIMILAR_CONTENT_LIMIT = 10;
 
 export class VideoModal {