refactor: resolve promises (#515)

* Adding missing await and updating some deps

* Adding missing await and updating some deps

* Adding missing await and updating some deps

* Fix close code 4009 until deno fixes the issue: https://github.com/denoland/deno/pull/8776

* Fix heartbeating

* Add await for the requestGuildMembers in requestAllMembers

* Change body && body.file to body?.file

* Fix lint #1

* Change body && body.file to body?.file

* Fix lint

* Deno lint

* Update request.ts

* Fix deno lint error

* Update src/ws/shard_manager.ts

Co-authored-by: ayntee <ayyantee@gmail.com>

* Fix fetchMembers

* Fix getMembersByQuery

* Try to fix RequestMembersQueue processing

* Deno lint

* Fix requestGuildMembers

* Fix requestGuildMembers

* Fix requestAllMembers

* Undo useless changes

* Fix merge conflict

* Fix merge conflict

* Change for loop to Promise.all

* Deno fmt

Co-authored-by: ayntee <ayyantee@gmail.com>
Co-authored-by: Skillz4Killz <23035000+Skillz4Killz@users.noreply.github.com>

src/api/handlers/guild.ts

@@ -314,7 +314,7 @@ export async function getMembersByQuery(
   if (!guild) return;
 
   return new Promise((resolve) => {
-    requestAllMembers(guild, resolve, { query: name, limit });
+    return requestAllMembers(guild, resolve, { query: name, limit });
   }) as Promise<Collection<string, Member>>;
 }
 
@@ -391,7 +391,7 @@ export function emojiURL(id: string, animated = false) {
 
 /**
  * Returns a list of emojis for the given guild.
- * 
+ *
  * ⚠️ **If you need this, you are probably doing something wrong. Always use cache.guilds.get()?.emojis
  */
 export async function getEmojis(guildID: string, addToCache = true) {
@@ -411,7 +411,7 @@ export async function getEmojis(guildID: string, addToCache = true) {
 
 /**
  * Returns an emoji for the given guild and emoji ID.
- * 
+ *
  * ⚠️ **If you need this, you are probably doing something wrong. Always use cache.guilds.get()?.emojis
  */
 export async function getEmoji(
@@ -586,7 +586,7 @@ export function fetchMembers(guild: Guild, options?: FetchMembersOptions) {
   }
 
   return new Promise((resolve) => {
-    requestAllMembers(guild, resolve, options);
+    return requestAllMembers(guild, resolve, options);
   }) as Promise<Collection<string, Member>>;
 }
 
@@ -953,8 +953,8 @@ export async function getTemplate(templateCode: string) {
   return template;
 }
 
-/** 
- * Returns the guild template if it exists 
+/**
+ * Returns the guild template if it exists
  * @deprecated will get removed in v11 use `getTemplate` instead
  */
 export function getGuildTemplate(