Various improvements (#547)

- Fixed crash when returning to Setup app (from any of the steps)
- Fixed crash when returning to TimeDateSettings app (after locale selection)
- Fixed GuiService inconsistent behaviour: now always perform operations async (e.g. to show/hide apps). This fixes crashes in some onHide() calls where onHide() might be called before onShow() was called.
- Fix for incorrect WebServService path
- Remove CYD-4848S040C SD card functionality, but added a GPIO fix for releasing 3-wire SPI pin sharing.
- Fix for saving/loading settings for various apps

Tactility/Include/Tactility/lvgl/LvglSync.h

@@ -12,9 +12,11 @@ constexpr TickType_t defaultLockTime = 500 / portTICK_PERIOD_MS;
  * LVGL locking function
  * @param[in] timeout as ticks
  * @warning when passing zero, we wait forever, as this is the default behaviour for esp_lvgl_port, and we want it to remain consistent
+ * @deprecated Use lvgl_lock() or lvgl_try_lock() from lvgl-module instead.
  */
 bool lock(TickType_t timeout = portMAX_DELAY);
 
+/** @deprecated Use lvgl_unlock() from lvgl-module instead. */
 void unlock();
 
 std::shared_ptr<Lock> getSyncLock();

Tactility/Include/Tactility/settings/SystemSettings.h

@@ -5,9 +5,9 @@
 namespace tt::settings {
 
 struct SystemSettings {
-    Language language;
-    bool timeFormat24h;
-    std::string dateFormat;  // MM/DD/YYYY, DD/MM/YYYY, YYYY-MM-DD, YYYY/MM/DD
+    Language language = Language::en_US;
+    bool timeFormat24h = true;
+    std::string dateFormat = std::string("DD/MM/YYYY"); // MM/DD/YYYY, DD/MM/YYYY, YYYY-MM-DD, YYYY/MM/DD
 };
 
 bool loadSystemSettings(SystemSettings& properties);