Merge develop into main (#303)

- `DisplayDevice` improvements related `DisplayDriver`
- Replaced incorrect usage of `spiBusHandle` with `spiHostDevice` in all SPI display devices
- Disabled `DisplayDriver` support for RGB displays for now
- Updated `GraphicsDemo` project for the above changes
- TactilityC improvements:
  - created `tt_hal_device_find()`
  - created `tt_hal_display_*`
  - created `tt_hal_touch_*`
  - created `tt_lvgl_*`
  - export `tt_app_*` calls

Tactility/Source/hal/Device.cpp

@@ -88,6 +88,15 @@ std::vector<std::shared_ptr<Device>> findDevices(Device::Type type) {
     });
 }
 
+void findDevices(Device::Type type, std::function<bool(const std::shared_ptr<Device>&)> onDeviceFound) {
+    auto devices_view = findDevices(type);
+    for (auto& device : devices_view) {
+        if (!onDeviceFound(device)) {
+            break;
+        }
+    }
+}
+
 std::vector<std::shared_ptr<Device>> getDevices() {
     return devices;
 }