feat: add imguizmo + trigger buxfix

lightkeeper/include/Lightkeeper.h

@@ -6,6 +6,7 @@
 #include <destrum/App.h>
 #include <destrum/Scene/SceneManager.h>
 #include <destrum/Graphics/RenderResources.h>
+#include <destrum/Util/TransformGizmo.h>
 
 #include "destrum/Graphics/Resources/Cubemap.h"
 #include "destrum/Graphics/Resources/Font.h"
@@ -31,13 +32,17 @@ public:
 private:
     void setupSkybox();
     void drawCrosshair();
+    void drawViewModeHint();
+    void updateViewMode();
     [[nodiscard]] CameraComponent* getSceneCamera() const;
+    [[nodiscard]] Camera& getViewCamera();
     [[nodiscard]] bool isPlayerViewActive() const;
 
     // LightkeeperDebugUi.cpp
     void updateDebugUi();
     void drawDebugMenuBar();
     void drawWindowMenu();
+    void drawSelectionGizmo();
     void drawTestWindow();
     void spawnBall();
     void saveCurrentScene();
@@ -54,6 +59,7 @@ private:
 
     ImageID debug2DTexture{NULL_IMAGE_ID};
     Font hudFont;
+    TransformGizmo transformGizmo;
 
     char scenePath[512]{"scenes/debug_scene.json"};
     char newSceneName[128]{"EmptyScene"};
@@ -61,6 +67,7 @@ private:
     bool renderColliders{false};
     bool render2DShapes{true};
     bool renderDebugLines{true};
+    bool showTransformGizmo{true};
     bool showTestWindow{true};
     bool useFreeCamera{false};
 };