the emojipicker works!

added stickerbrowserdatasorce to give msstickerbrowserview stikcers
update messagesviewcontroller to add the msstickerbrowser
added Emoji.sticker to get MSSticker from Emoji

StickerSlackiMessageExtension/StickerBrowserDataSource.swift

@@ -0,0 +1,21 @@
+//
+//  StickerBrowserDataSource.swift
+//  StickerSlackiMessageExtension
+//
+//  Created by neon443 on 29/10/2025.
+//
+
+import Foundation
+import Messages
+
+class StickerBrowserDataSource: NSObject, MSStickerBrowserViewDataSource {
+	var hoarder: EmojiHoarder = EmojiHoarder()
+	
+	func numberOfStickers(in stickerBrowserView: MSStickerBrowserView) -> Int {
+		return hoarder.emojis.filter { $0.isLocal }.count
+	}
+	
+	func stickerBrowserView(_ stickerBrowserView: MSStickerBrowserView, stickerAt index: Int) -> MSSticker {
+		return hoarder.emojis.filter { $0.isLocal }[index].sticker
+	}
+}