Guard baseResponse.data access when baseLogId is falsy in getAllTrace

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/stores/allMapData.js

@@ -165,8 +165,10 @@ export default defineStore('allMapDataStore', {
         let baseResponse;
         const response = await this.$axios.get(api);
         this.allTrace = response.data;
-        if(baseLogId) baseResponse = await this.$axios.get(baseApi);
-        this.allBaseTrace = baseResponse.data;
+        if(baseLogId) {
+          baseResponse = await this.$axios.get(baseApi);
+          this.allBaseTrace = baseResponse.data;
+        }
       } catch(error) {
         apiError(error, 'Failed to load the Trace.');
       }