Fixes and improvements (#185)

- unPhone improvements related to power and boot (add boot count logging)
- Cleanup of Mutex acquire/release
- Removed `tt_assert()` in favour of `assert()`
- Fix sim build (likely failed due to migration of GitHub Actions to Ubuntu 24.04)

Tactility/Source/service/gui/GuiDraw.cpp

@@ -27,7 +27,7 @@ static lv_obj_t* createAppViews(Gui* gui, lv_obj_t* parent) {
 }
 
 void redraw(Gui* gui) {
-    tt_assert(gui);
+    assert(gui);
 
     // Lock GUI and LVGL
     lock();