Add Missing Strings to aiTextureTypeToString (#6188)

Anisotropy and gltf metallic roughness were missing strings

Co-authored-by: Kim Kulling <kimkulling@users.noreply.github.com>

code/Common/material.cpp

@@ -98,6 +98,10 @@ const char *aiTextureTypeToString(aiTextureType in) {
         return "MayaSpecularColor";
     case aiTextureType_MAYA_SPECULAR_ROUGHNESS:
         return "MayaSpecularRoughness";
+    case aiTextureType_ANISOTROPY:
+        return "Anisotropy";
+    case aiTextureType_GLTF_METALLIC_ROUGHNESS:
+        return "glTFMetallicRoughness";
     case aiTextureType_UNKNOWN:
         return "Unknown";
     default: