fix(search): suggest yourself in DM from: and mentions: filters (#2854)

fluxer_app/src/features/channel/components/message_search_bar/useMessageSearchAutocomplete.ts

@@ -396,13 +396,23 @@ export function useMessageSearchAutocomplete({
 			if (plan.mode !== 'none') {
 				return memberSearchResults.slice(0, limit);
 			}
-			if (channel) {
-				const users = channel.recipientIds.map((id) => Users.getUser(id)).filter((u): u is User => u != null);
-				return matchSorter(users, searchTerm, {
-					keys: ['username', 'tag'],
-				}).slice(0, limit);
+			const usersById = new Map<string, User>();
+			const currentUser = Users.getCurrentUser();
+			if (currentUser) {
+				usersById.set(currentUser.id, currentUser);
 			}
-			return [];
+			for (const recipientId of channel?.recipientIds ?? []) {
+				const user = Users.getUser(recipientId);
+				if (user) {
+					usersById.set(user.id, user);
+				}
+			}
+			if (usersById.size === 0) {
+				return [];
+			}
+			return matchSorter(Array.from(usersById.values()), searchTerm, {
+				keys: ['username', 'tag'],
+			}).slice(0, limit);
 		},
 		[activeScope, currentGuildIdForScope, memberSearchResults, channel],
 	);