fix issue where automation meta fields were being overridden

packages/server/src/threads/automation.ts

@@ -374,14 +374,16 @@ class Orchestrator {
                         for (let [innerObject, innerValue] of Object.entries(
                           originalStepInput[key][innerKey]
                         )) {
+                          if (typeof innerValue === "string") {
                             originalStepInput[key][innerKey][innerObject] =
                               automationUtils.substituteLoopStep(
-                              innerValue as string,
+                                innerValue,
                                 `steps.${loopStepNumber}`
                               )
                           }
                         }
                       }
+                    }
                   } else {
                     if (typeof value === "string") {
                       originalStepInput[key] =
@@ -458,7 +460,6 @@ class Orchestrator {
                 inputs,
                 step.schema.inputs
               )
-
               try {
                 // appId is always passed
                 const outputs = await stepFn({