Feat: change profile/group picture (#1916)

* feat: pfp

* Make eslint happy

* Fix typo

* Fix missing comma

* Update src/util/Injected.js

* ESLint

* Update src/util/Injected.js

* mfw purp breaks indentation

---------

Co-authored-by: Rajeh Taher <rajeh@reforward.dev>

src/structures/GroupChat.js

@@ -213,6 +213,31 @@ class GroupChat extends Chat {
         return true;
     }
 
+    /**
+     * Deletes the group's picture.
+     * @returns {Promise<boolean>} Returns true if the picture was properly deleted. This can return false if the user does not have the necessary permissions.
+     */
+    async deletePicture() {
+        const success = await this.client.pupPage.evaluate((chatid) => {
+            return window.WWebJS.deletePicture(chatid);
+        }, this.id._serialized);
+
+        return success;
+    }
+
+    /**
+     * Sets the group's picture.
+     * @param {MessageMedia} media
+     * @returns {Promise<boolean>} Returns true if the picture was properly updated. This can return false if the user does not have the necessary permissions.
+     */
+    async setPicture(media) {
+        const success = await this.client.pupPage.evaluate((chatid, media) => {
+            return window.WWebJS.setPicture(chatid, media);
+        }, this.id._serialized, media);
+
+        return success;
+    }
+
     /**
      * Gets the invite code for a specific group
      * @returns {Promise<string>} Group's invite code