Enhance testing framework and CMake integration for YAZE

- Conditionally include Google Test support in the build configuration, allowing for integrated testing when enabled.
- Refactor ImGui Test Engine setup to be conditional based on the YAZE_ENABLE_UI_TESTS flag, improving modularity.
- Update EditorManager to register new test suites, including integrated and performance tests, enhancing test coverage.
- Improve the test dashboard UI with additional options for filtering and viewing test results, providing a better user experience.
- Introduce a new integrated test suite for comprehensive testing of core functionalities, ensuring robustness and reliability.

src/app/editor/editor.cmake

@@ -25,4 +25,6 @@ set(
   app/editor/system/shortcut_manager.cc
   app/editor/system/popup_manager.cc
   app/test/test_manager.cc
+  app/test/integrated_test_suite.h
+  app/test/unit_test_suite.h
 )