Fixes and improvements (#620)

- Standardized keyboard input using Unicode-based key codes across supported devices and the simulator. Keyboards don't emit `LV_KEY_*` anymore.
- Refactored lilygo encoder driver into a reusable GPIO rotary encoder driver (see `Drivers/gpio-encoder-module/`). Added more features to the config file.
- Improved LVGL keyboard device management, including duplicate prevention and reliable reconnects.
- LVGL file mutex now registers with lvgl start/stop
- Improved LVGL startup/shutdown stability and memory allocation reliability.
- Increased simulator LVGL memory capacity and improved USB device-class handling.

Tactility/Source/Tactility.cpp

@@ -74,6 +74,7 @@ constexpr auto* TAG = "Tactility";
 static DispatcherHandle_t mainDispatcherHandle = dispatcher_alloc();
 
 void initFileMutexForLvgl();
+void deinitFileMutexForLvgl();
 
 namespace {
 
@@ -423,6 +424,8 @@ static void applySavedTouchCalibration() {
 #endif // CONFIG_TT_TOUCH_CALIBRATION_SUPPORTED
 
 static void onLvglStarted() {
+    initFileMutexForLvgl();
+
     window_manager_configure(windowManagerScreenInit);
     check(module_ensure_started(&lvgl_window_manager_module) == ERROR_NONE);
 
@@ -453,6 +456,8 @@ static void onLvglStarted() {
 }
 
 static void onLvglStopped() {
+    deinitFileMutexForLvgl();
+
     if (softwareKeyboard.object != nullptr) {
         lvgl_software_keyboard_destruct(&softwareKeyboard);
     }
@@ -510,9 +515,6 @@ void run(Module* const dtsModules[], const DtsDevice dtsDevices[]) {
 
     registerAndStartServices();
 
-    // Must start right before LVGL
-    initFileMutexForLvgl();
-
     lvgl_module_configure((LvglModuleConfig) {
         .on_start = onLvglStarted,
         .on_stop = onLvglStopped,