fix(overmind): keep root configuration as is on merge

Author: christianalfoni

packages/node_modules/overmind/src/config/merge.ts

@@ -131,7 +131,7 @@ export function merge(...configurations: IConfiguration[]): IConfiguration {
       config.onInitialize ? aggr.concat(config.onInitialize) : aggr,
     [] as any[]
   )
-
+  const rootConfiguration = configurations.shift()
   const reducedConfigurations = configurations.reduce(
     (aggr, config) => {
       const stateDuplicates = aggr.state
@@ -178,13 +178,11 @@ export function merge(...configurations: IConfiguration[]): IConfiguration {
       }
     },
     {
+      ...rootConfiguration,
       onInitialize: initializers.length
         ? (context, value) =>
             Promise.all(initializers.map((cb) => cb(context, value)))
         : undefined,
-      state: {},
-      effects: {},
-      actions: {},
     }
   )
   return reducedConfigurations