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/Client.js

@@ -1178,6 +1178,31 @@ class Client extends EventEmitter {
 
         return blockedContacts.map(contact => ContactFactory.create(this.client, contact));
     }
+
+    /**
+     * Sets the current user's profile picture.
+     * @param {MessageMedia} media
+     * @returns {Promise<boolean>} Returns true if the picture was properly updated.
+     */
+    async setProfilePicture(media) {
+        const success = await this.pupPage.evaluate((chatid, media) => {
+            return window.WWebJS.setPicture(chatid, media);
+        }, this.info.wid._serialized, media);
+
+        return success;
+    }
+
+    /**
+     * Deletes the current user's profile picture.
+     * @returns {Promise<boolean>} Returns true if the picture was properly deleted.
+     */
+    async deleteProfilePicture() {
+        const success = await this.pupPage.evaluate((chatid) => {
+            return window.WWebJS.deletePicture(chatid);
+        }, this.info.wid._serialized);
+
+        return success;
+    }
 }
 
 module.exports = Client;