Various improvements (#614)

- Auto-select widgets in Launcher and apps with toolbars on devices without touch.
- Improved USB HID input reliability, cleanup
- Updated PSRAM settings to improve boot stability on supported devices.
- Prevented duplicate Wi-Fi event subscriptions during screen rebuilds.
- Updated docs
- Fixes in WifiManage and WifiConnect
- Reduced main task stack size
- Moved USB HID stack size to PSRAM when available
- app_manager_find_manifest() now returns a copy instead of a pointer

Modules/lvgl-module/source/devices/indev.cpp

@@ -0,0 +1,15 @@
+#include <lvgl/devices/indev_private.h>
+
+extern "C" {
+
+bool lvgl_has_indev_of_type(lv_indev_type_t type) {
+    for (lv_indev_t* indev = lv_indev_get_next(nullptr); indev != nullptr; indev = lv_indev_get_next(indev)) {
+        lv_indev_type_t to_check = lv_indev_get_type(indev);
+        if (to_check == type) {
+            return true;
+        }
+    }
+    return false;
+}
+
+} // extern "C"