refactor(dev_panel): remove seed editing and server rebuild world, move client rebuild

- Remove text editing for perlin seed and filter function
- Remove ServerWorld::rebuild_world() method and its atomic flag
- Move 'Rebuild World' button to client world tab
- Remove unused perlin_noise_input_buffer

include/Cubed/dev_panel.hpp

@@ -26,9 +26,6 @@ class DevPanel {
         int gait = 0;
         float pos[3] = {0.0f, 0.0f, 0.0f};
     };
-    struct TextEditing {
-        bool perlin_seed = false;
-    };
 
 public:
     DevPanel(App& app);
@@ -40,7 +37,6 @@ private:
     ConfigView m_config;
     ClientPlayer* m_player;
     PlayerProfile m_player_profile;
-    TextEditing m_text_editing;
     bool m_need_save_config = false;
     bool m_gen_thread_running = true;
     int m_theme = 0;

include/Cubed/gameplay/server_world.hpp

@@ -32,7 +32,6 @@ public:
     void update();
     void hot_reload();
 
-    void rebuild_world();
     int rendering_distance() const;
     void rendering_distance(int rendering_distance);
     void start_gen_thread();
@@ -131,7 +130,6 @@ private:
     std::atomic<bool> m_could_gen{true};
     std::atomic<bool> m_gen_running{false};
     std::atomic<bool> m_need_gen_chunk{false};
-    std::atomic<bool> m_is_rebuilding{false};
     std::atomic<bool> m_init{false};
     std::atomic<bool> m_stopped{false};
     std::atomic<int> m_rendering_distance{24};