Probably bad samplers for unsigned and integer textures in Virtual Texturing

[devshgraphicsprogramming]

Describe the bug

Everything uses the same sampler as the floating point samplers.

https://github.com/Devsh-Graphics-Programming/Nabla/commit/d9d27d979bdd78c66f7861b7cf32f93d6cebc893

Steps to Reproduce

Try and use integer or unsigned integer texture formats

Expected vs observed behavior

Integer and unsigned integer textures use a proper sampler.

Environment

Any