Suppress warnings for optional texture lookups

[anirul]

Summary

• add quiet texture-name lookup helpers for OpenGL and Vulkan program parsing
• use the quiet lookup path when probing optional glTF/material texture bindings
• preserve the existing fallback behavior without emitting warning spam for expected misses

Why

Some render paths intentionally probe optional texture names such as opaque_*, transmissive_*, and material-specific bindings. Those probes were using GetIdFromName(...), which logs a warning on every miss. In scenes that rely on imported material bindings instead of predeclared level textures, this produced a large amount of misleading log noise even though rendering still worked.

Validation

• rebuilt grpcmmo_client against this Frame change
• reran the client and checked the generated log.txt
• confirmed the No id for name ... warning flood is gone
• remaining warnings are only the unrelated Vulkan validation-layer environment warnings