fix(04): fix Route Update Type conversion error

Removed empty leftValue from options and changed condition check from
object notEmpty to string notEmpty using optional chaining on specific
properties (message?.text, callback_query?.id).

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

n8n-workflow.json

@@ -32,16 +32,15 @@
               "conditions": {
                 "options": {
                   "caseSensitive": true,
-                  "leftValue": "",
                   "typeValidation": "loose"
                 },
                 "conditions": [
                   {
                     "id": "has-message",
-                    "leftValue": "={{ $json.message }}",
+                    "leftValue": "={{ $json.message?.text }}",
                     "rightValue": "",
                     "operator": {
-                      "type": "object",
+                      "type": "string",
                       "operation": "notEmpty"
                     }
                   }
@@ -56,16 +55,15 @@
               "conditions": {
                 "options": {
                   "caseSensitive": true,
-                  "leftValue": "",
                   "typeValidation": "loose"
                 },
                 "conditions": [
                   {
                     "id": "has-callback",
-                    "leftValue": "={{ $json.callback_query }}",
+                    "leftValue": "={{ $json.callback_query?.id }}",
                     "rightValue": "",
                     "operator": {
-                      "type": "object",
+                      "type": "string",
                       "operation": "notEmpty"
                     }
                   }