text: Title: Installed SIBR successful but cannot run (My server doesn't have display screen)
  Body: Hi! Thanks for your great work
  But I have some problem when I try to run SIBR_viewers after I installed successfully
  This error is :
  (base) vinai@Fisheye2:~/Workspace/phat-intern-dev/VinAI/hierarchical-3d-gaussians$ xvfb-run -a bash SIBR_viewer.sh
  [SIBR] --  INFOS  --:   Initialization of GLFW
  [SIBR] --  INFOS  --:   OpenGL Version: 4.5 (Compatibility Profile) Mesa 23.2.1-1ubuntu3.1~22.04.2[major: 4, minor: 5]
  Number of input Images to read: 1443
  Number of Cameras set up: 1443
  [SIBR] --  INFOS  --:   Error: can't load mesh '/home/vinai/Workspace/phat-intern-dev/VinAI/hierarchical-3d-gaussians/data/example_dataset/camera_calibration/aligned/sparse/0/points3d.txt.
  [SIBR] --  INFOS  --:   Error: can't load mesh '/home/vinai/Workspace/phat-intern-dev/VinAI/hierarchical-3d-gaussians/data/example_dataset/camera_calibration/aligned/sparse/0/points3d.ply.
  [SIBR] --  INFOS  --:   Error: can't load mesh '/home/vinai/Workspace/phat-intern-dev/VinAI/hierarchical-3d-gaussians/data/example_dataset/camera_calibration/aligned/sparse/0/points3d.obj.
  LOADSFM: Try to open /home/vinai/Workspace/phat-intern-dev/VinAI/hierarchical-3d-gaussians/data/example_dataset/camera_calibration/aligned/sparse/0/points3D.bin
  Num 3D pts 243088
  [SIBR] --  INFOS  --:   SfM Mesh '/home/vinai/Workspace/phat-intern-dev/VinAI/hierarchical-3d-gaussians/data/example_dataset/camera_calibration/aligned/sparse/0/points3d.txt successfully loaded.  (243088) vertices detected. Init GL ...
  [SIBR] --  INFOS  --:   Init GL mesh complete 
   USED RES (1025,691) scene w h 1025 : 691 NAME cam3/pass1_0712.jpg
  Warning: GLParameter user_color does not exist in shader PointBased
  [SIBR] --  INFOS  --:   Allowing up to 6708512 Gaussians in VRAM
  SIBR_viewer.sh: line 6: 160696 Segmentation fault      (core dumped) ./SIBR_viewers/install/bin/SIBR_gaussianHierarchyViewer_app --path ${DATASET_DIR}/camera_calibration/aligned --scaffold ${DATASET_DIR}/output/scaffold/point_cloud/iteration_30000 --model-path ${DATASET_DIR}/output/merged.hier --images-path ${DATASET_DIR}/camera_calibration/rectified/images
  
  I ssh to server so in this server is headless, can SIBR_viewer can be used at headless server ? 
  Thanks for your help