fix cam ops display on mode change. disable edit gcode time on stock devices

src/kiri-mode/cam/client.js

@@ -80,6 +80,7 @@ CAM.init = function(kiri, api) {
         } else {
             UI.label.slice.innerText = LANG.start;
         }
+        $('camops').style.display = isCamMode && isArrange ? 'flex' : '';
         // do not persist traces across page reloads
         func.traceClear();
         func.opRender();

src/kiri/init.js

@@ -832,6 +832,7 @@ gapp.register("kiri.init", [], (root, exports) => {
                 ui.fwRetract,
                 ui.filamentSource,
                 ui.deviceZMax,
+                ui.gcodeTime,
                 ui.gcodeFan,
                 ui.gcodeFeature,
                 ui.gcodeTrack,