fix: handle missing eventUpload config gracefully (#5898)

# Description

handle missing eventUpload config gracefully

## Linear Ticket

-

## Security

- [x] The code changed/added as part of this pull request won't create
any security issues with how the software is being used.

Author: mihir20

services/debugger/source/eventUploader.go

@@ -3,6 +3,7 @@ package sourcedebugger
 //go:generate mockgen -destination=./mocks/mock.go -package=mocks github.com/rudderlabs/rudder-server/services/debugger/source SourceDebugger
 import (
 	"context"
+	"errors"
 	"fmt"
 	"slices"
 	"sync"
@@ -137,7 +138,7 @@ func (h *Handle) updateConfig(config map[string]backendconfig.ConfigT) {
 		for _, source := range wConfig.Sources {
 			if source.Config != nil {
 				eventUploadEnabled, err := jsonparser.GetBoolean(source.Config, "eventUpload")
-				if err != nil {
+				if err != nil && !errors.Is(err, jsonparser.KeyPathNotFoundError) && !errors.Is(err, jsonparser.NullValueError) {
 					h.log.Errorn("error while parsing eventUpload config", obskit.SourceID(source.ID), obskit.Error(err))
 				}
 				if source.Enabled && eventUploadEnabled {