Fix member leaves not being propagated immediately

Previously they would only be removed next time the bridge was
restarted. Now it should be done in real time.

src/d2m/discord-client.js

@@ -24,7 +24,7 @@ class DiscordClient {
 		const intents = [
 			"DIRECT_MESSAGES", "DIRECT_MESSAGE_REACTIONS", "DIRECT_MESSAGE_TYPING",
 			"GUILDS", "GUILD_EMOJIS_AND_STICKERS", "GUILD_MESSAGES", "GUILD_MESSAGE_REACTIONS", "GUILD_MESSAGE_TYPING", "GUILD_WEBHOOKS", "GUILD_MESSAGE_POLLS",
-			"MESSAGE_CONTENT"
+			"MESSAGE_CONTENT", "GUILD_MEMBERS"
 		]
 		if (reg.ooye.receive_presences !== false) intents.push("GUILD_PRESENCES")
 		this.discordToken = discordToken

src/matrix/api.js

@@ -474,7 +474,7 @@ async function ping() {
 async function getMedia(mxc, init = {}) {
 	init = {...init}
 
-	const mediaParts = mxc?.match(/^mxc:\/\/([^/]+)\/(\w+)$/)
+	const mediaParts = mxc?.match(/^mxc:\/\/([^/]+)\/([a-zA-Z0-9_-]+)$/)
 	assert(mediaParts)
 
 	let route = "download"

src/matrix/utils.js

@@ -250,7 +250,7 @@ function getPublicUrlForMxc(mxc) {
  */
 function makeMxcPublic(mxc) {
 	assert(hasher, "xxhash is not ready yet")
-	const mediaParts = mxc?.match(/^mxc:\/\/([^/]+)\/(\w+)$/)
+	const mediaParts = mxc?.match(/^mxc:\/\/([^/]+)\/([a-zA-Z0-9_-]+)$/)
 	if (!mediaParts) return undefined
 
 	const serverAndMediaID = `${mediaParts[1]}/${mediaParts[2]}`