feat(ui): loosen typings for Result

invokeai/frontend/web/src/common/util/result.ts

@@ -57,7 +57,7 @@ export class Err<E> {
  * @template T The type of the value in the `Ok` case.
  * @template E The type of the error in the `Err` case.
  */
-type Result<T, E = Error> = Ok<T> | Err<E>;
+type Result<T, E> = Ok<T> | Err<E>;
 
 /**
  * Creates a successful result.
@@ -85,11 +85,12 @@ export function ErrResult<E>(error: E): Err<E> {
  * @param {() => T} fn The function to execute.
  * @returns {Result<T>} An `Ok` result if the function succeeds, or an `Err` result if it throws an error.
  */
-export function withResult<T>(fn: () => T): Result<T> {
+/* eslint-disable-next-line @typescript-eslint/no-explicit-any */
+export function withResult<T>(fn: () => T): Result<T, any> {
   try {
     return new Ok(fn());
   } catch (error) {
-    return new Err(error instanceof Error ? error : new Error(String(error)));
+    return new Err(error);
   }
 }
 
@@ -99,11 +100,12 @@ export function withResult<T>(fn: () => T): Result<T> {
  * @param {() => Promise<T>} fn The asynchronous function to execute.
  * @returns {Promise<Result<T>>} A `Promise` resolving to an `Ok` result if the function succeeds, or an `Err` result if it throws an error.
  */
-export async function withResultAsync<T>(fn: () => Promise<T>): Promise<Result<T>> {
+/* eslint-disable-next-line @typescript-eslint/no-explicit-any */
+export async function withResultAsync<T>(fn: () => Promise<T>): Promise<Result<T, any>> {
   try {
     const result = await fn();
     return new Ok(result);
   } catch (error) {
-    return new Err(error instanceof Error ? error : new Error(String(error)));
+    return new Err(error);
   }
 }