GH-81996
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Validate extension JSON: Error: Field 'classes/GPUParticles2D/properties/process_material': type changed value in new API, from "ShaderMaterial,ParticleProcessMaterial" to "ParticleProcessMaterial,ShaderMaterial".
Validate extension JSON: Error: Field 'classes/GPUParticles3D/properties/process_material': type changed value in new API, from "ShaderMaterial,ParticleProcessMaterial" to "ParticleProcessMaterial,ShaderMaterial".
Validate extension JSON: Error: Field 'classes/Sky/properties/sky_material': type changed value in new API, from "ShaderMaterial,PanoramaSkyMaterial,ProceduralSkyMaterial,PhysicalSkyMaterial" to "PanoramaSkyMaterial,ProceduralSkyMaterial,PhysicalSkyMaterial,ShaderMaterial".

Property hints reordered to improve editor usability. The types allowed are still the same as before. No adjustments should be necessary.
