refactor: improve formatting and readability in ShortcutHelper, DisplayZone, and KeyPressListener components

app/src/utils/shortcutkeys/handleShortcutKeys.ts

@@ -221,8 +221,12 @@ const KeyPressListener: React.FC = () => {
 
     // Shortcuts specific for sidebar visibility toggle and others specific to sidebar if added
     handleSidebarShortcuts(keyCombination);
+
+
     // Active module selection (builder, simulation, etc.)
-    handleModuleSwitch(keyCombination);
+    if (event.location === 0) { // Location 0 = standard keyboard (not numpad)
+      handleModuleSwitch(keyCombination);
+    }
     // Common editing tools: cursor | delete | free-hand
     handlePrimaryTools(keyCombination);
     // Shortcuts specific to the builder module (e.g., drawing and measurement tools)