fix(overmind): fix dev timeout on operators and typing

Author: christianalfoni

packages/node_modules/overmind/src/internalTypes.ts

@@ -64,7 +64,9 @@ export type Execution = {
   parentExecution?: Execution
   path: string[]
   emit(event: EventType, value: any): void
-  flush(): {
+  flush(
+    isAsync?: boolean
+  ): {
     mutations: IMutation[]
     flushId: number
   }

packages/node_modules/overmind/src/operator.ts

@@ -289,7 +289,7 @@ export function createMutationOperator<ThisConfig extends IConfiguration>(
             clearTimeout(pendingFlush)
           }
           pendingFlush = setTimeout(() => {
-            const flushData = mutationTree.flush(true)
+            const flushData = context.execution.flush(true)
 
             if (flushData.mutations.length) {
               context.execution.send({