fix immutability

Author: austinvalle

internal/fwserver/server_planresourcechange.go

@@ -325,21 +325,24 @@ func (s *Server) PlanResourceChange(ctx context.Context, req *PlanResourceChange
 			modifyPlanReq.ProviderMeta = *req.ProviderMeta
 		}
 
-		if resp.PlannedIdentity != nil {
-			modifyPlanReq.Identity = &tfsdk.ResourceIdentity{
-				Schema: resp.PlannedIdentity.Schema,
-				Raw:    resp.PlannedIdentity.Raw.Copy(),
-			}
-		}
-
 		modifyPlanResp := resource.ModifyPlanResponse{
 			Diagnostics:     resp.Diagnostics,
 			Plan:            modifyPlanReq.Plan,
-			Identity:        modifyPlanReq.Identity,
 			RequiresReplace: path.Paths{},
 			Private:         modifyPlanReq.Private,
 		}
 
+		if resp.PlannedIdentity != nil {
+			modifyPlanReq.Identity = &tfsdk.ResourceIdentity{
+				Schema: resp.PlannedIdentity.Schema,
+				Raw:    resp.PlannedIdentity.Raw.Copy(),
+			}
+			modifyPlanResp.Identity = &tfsdk.ResourceIdentity{
+				Schema: resp.PlannedIdentity.Schema,
+				Raw:    resp.PlannedIdentity.Raw.Copy(),
+			}
+		}
+
 		logging.FrameworkTrace(ctx, "Calling provider defined Resource ModifyPlan")
 		resourceWithModifyPlan.ModifyPlan(ctx, modifyPlanReq, &modifyPlanResp)
 		logging.FrameworkTrace(ctx, "Called provider defined Resource ModifyPlan")