Added an adapter to update a user image

client/src/adapters/user.ts

@@ -73,6 +73,12 @@ export function updateUser(user: { realname?: string, email?: string }) {
     return executeApiPut(`user`, user, () => {}, "Failed to update user");
 }
 
+export function updateUserImage(image: File) {
+    const data = new FormData();
+    data.append("image", image);
+    return executeApiPut(`user/image`, data, () => {}, "Failed to update user");
+}
+
 export function getUserImageUri(uuid: string): string {
     return `${apiRoot}/user/${uuid}/image`;
 }

client/src/adapters/util.ts

@@ -21,7 +21,11 @@ async function executeApiRequest<T>(path: string, method: string, body: any, onS
             method: method,
             headers: {
                 ...getAuthHeader(),
-                ...(body ? { 'Content-Type': 'application/json' } : { }),
+                ...(body ? (
+                        body instanceof FormData
+                            ? { 'Content-Type': 'multipart/form-data' }
+                            : { 'Content-Type': 'application/json' })
+                        : { }),
             },
             body: body ? JSON.stringify(body) : undefined,
         });