refactor(overmind): correctly implement run async

Author: christianalfoni

packages/node_modules/overmind/src/index.ts

@@ -648,17 +648,15 @@ export function run<Input, BaseContext = Context>(
     if (err) next(err)
     else {
       startDebugOperator('run', operation, context)
-      const runNext = () => {
-        const newContext = createContext(context, context.value)
-        stopDebugOperator(newContext)
-        next(null, newContext)
-      }
       const result = operation(context)
-      if (result instanceof Promise) {
-        result.then(runNext).catch(next)
-      } else {
-        runNext()
-      }
+      const newContext = createContext(
+        context,
+        result instanceof Promise
+          ? result.then(() => context.value)
+          : context.value
+      )
+      stopDebugOperator(newContext)
+      next(null, newContext)
     }
   }
   instance[IS_PIPE] = true