fix(overmind): fix parallel operator in production

Author: fintara

packages/node_modules/overmind/src/index.ts

@@ -863,7 +863,7 @@ export function forEach<
         lastContext = createContext(
           lastContext || context,
           value,
-          context.execution.path.concat(String(index))
+          context.execution.path && context.execution.path.concat(String(index))
         )
         const nextWithPath = createNextPath(evaluate)
         forEachItemOperator(null, lastContext, nextWithPath)
@@ -905,7 +905,7 @@ export function parallel<Input, ThisConfig extends Configuration = Config>(
         lastContext = createContext(
           lastContext || context,
           context.value,
-          context.execution.path.concat(String(index))
+          context.execution.path && context.execution.path.concat(String(index))
         )
         const nextWithPath = createNextPath(evaluate)
         operator(null, lastContext, nextWithPath)
@@ -1010,7 +1010,7 @@ export function fork<
       const newContext = createContext(
         context,
         context.value,
-        context.execution.path.concat(path)
+        context.execution.path && context.execution.path.concat(path)
       )
       const nextWithPaths = createNextPath((err, returnedContext) => {
         if (err) next(err)
@@ -1046,7 +1046,7 @@ export function when<
       const newContext = createContext(
         context,
         context.value,
-        context.execution.path.concat('true')
+        context.execution.path && context.execution.path.concat('true')
       )
       if (operation(context)) {
         const nextWithPath = createNextPath(next)
@@ -1056,7 +1056,7 @@ export function when<
         const newContext = createContext(
           context,
           context.value,
-          context.execution.path.concat('false')
+          context.execution.path && context.execution.path.concat('false')
         )
         const nextWithPath = createNextPath(next)
         stopDebugOperator(context, context.value)