Hide grid (#2777)

* Hide grid

* Add small comment about origin of ids

src/lang/std/engineConnection.ts

@@ -1249,6 +1249,29 @@ export class EngineCommandManager extends EventTarget {
         })
 
         this.initPlanes().then(async () => {
+          // Hide the grid and grid scale text.
+          this.sendSceneCommand({
+            type: 'modeling_cmd_req',
+            cmd_id: uuidv4(),
+            cmd: {
+              type: 'object_visible' as any,
+              // Found in engine/constants.h
+              object_id: 'cfa78409-653d-4c26-96f1-7c45fb784840',
+              hidden: true,
+            },
+          })
+
+          this.sendSceneCommand({
+            type: 'modeling_cmd_req',
+            cmd_id: uuidv4(),
+            cmd: {
+              type: 'object_visible' as any,
+              // Found in engine/constants.h
+              object_id: '10782f33-f588-4668-8bcd-040502d26590',
+              hidden: true,
+            },
+          })
+
           this.resolveReady()
           setIsStreamReady(true)
           await executeCode()