### Godot version

v4.1.dev.custom_build [2e273f0e35800f2bcc7c05db54100caa97928f69]

### System information

Windows 11 x64, Vulkan (Forward+), NVIDIA GeForce GTX 1650

### Issue description

Importing EXR files from baking lightmaps will always fail. But the files aren't corrupted and can be opened in other software like Krita.

### Steps to reproduce

Do these in the MRP

1. Find `lm` node in the scene `000.tscn`, And press `Bake Lightmaps`
2. After finished baking, The lightmaps should be rendering normally and several error messages will be printed out. They say :
- Invalid/Corrupted data found when decoding pixels.
- Error loading image: res://000.exr
- Error importing 'res://000.exr'.

3. When trying to reopen `000.tscn`, The lightmaps won't render in the scene anymore.

( Optional )

4. If trying to put the lightmap data `000.lmbake` into the `lm` node. It will spam these out :
- Uniforms were never supplied for set (1) at the time of drawing, which are required by the pipeline
- Texture (binding: 7) is an array of (8) textures, so it should be provided equal number of texture IDs to satisfy it (IDs provided: 7).

Then all the meshes go black immediately.

### Minimal reproduction project

[i_5222a99f5_001.zip](https://github.com/godotengine/godot/files/11629095/i_5222a99f5_001.zip)

std::vector<unsigned char> bitmap(BITMAP_SIZE);
  unsigned short minNonZero;
  unsigned short maxNonZero;
#if !TINYEXR_LITTLE_ENDIAN
  
  assert(0);
  return false;
#endif
  
  std::vector<unsigned short> tmpBuffer(inSize / sizeof(unsigned short));
  std::vector<PIZChannelData> channelData(channelInfo.size());
  unsigned short *tmpBufferEnd = &tmpBuffer.at(0);
  for (size_t c = 0; c < channelData.size(); c++) {
    PIZChannelData &cd = channelData[c];
    cd.start = tmpBufferEnd;
    cd.end = cd.start;
    cd.nx = data_width;
    cd.ny = num_lines;
    
    size_t pixelSize = sizeof(int);  
    if (channelInfo[c].requested_pixel_type == TINYEXR_PIXELTYPE_HALF) {
      pixelSize = sizeof(short);
    }
    cd.size = static_cast<int>(pixelSize / sizeof(short));
    tmpBufferEnd += cd.nx * cd.ny * cd.size;
  }
  const unsigned char *ptr = inPtr;
  for (int y = 0; y < num_lines; ++y) {
    for (size_t i = 0; i < channelData.size(); ++i) {
      PIZChannelData &cd = channelData[i];