perf: remove extra Promise wrapper for value in fromPromise and toPromise

.changeset/three-dogs-crash.md

@@ -0,0 +1,5 @@
+---
+'wonka': patch
+---
+
+Remove extra `Promise` wrapper for `value` in `fromPromise` and `toPromise`

src/sinks.ts

@@ -241,7 +241,7 @@ export function toPromise<T>(source: Source<T>): Promise<T> {
     let value: T | void;
     source(signal => {
       if (signal === SignalKind.End) {
-        Promise.resolve(value!).then(resolve);
+        resolve(value!);
       } else if (signal.tag === SignalKind.Start) {
         (talkback = signal[0])(TalkbackKind.Pull);
       } else {

src/sources.ts

@@ -397,10 +397,8 @@ export function fromDomEvent(element: HTMLElement, event: string): Source<Event>
 export function fromPromise<T>(promise: Promise<T>): Source<T> {
   return make(observer => {
     promise.then(value => {
-      Promise.resolve(value).then(() => {
-        observer.next(value);
-        observer.complete();
-      });
+      observer.next(value);
+      observer.complete();
     });
     return teardownPlaceholder;
   });