style: rename webgl state file for consistency (#650)

Summary:

This PR renames WebGLState.ts to webgl_state.ts so its consistent
with our file naming conventions.

Author: shlomnissan

src/core/renderable_object.ts

@@ -5,7 +5,7 @@ import { Texture } from "../objects/textures/texture";
 import { TrsTransform } from "../core/transforms";
 import { Shader } from "../renderers/shaders";
 import { Color } from "../core/color";
-import { CullingMode } from "../renderers/WebGLState";
+import { CullingMode } from "../renderers/webgl_state";
 
 export abstract class RenderableObject extends Node {
   public wireframeEnabled = false;

src/renderers/webgl_renderer.ts

@@ -7,7 +7,7 @@ import { WebGLBuffers } from "./webgl_buffers";
 import { WebGLTextures } from "./webgl_textures";
 
 import { Layer } from "../core/layer";
-import { WebGLState } from "./WebGLState";
+import { WebGLState } from "./webgl_state";
 import { RenderableObject } from "../core/renderable_object";
 import { Geometry, Primitive } from "../core/geometry";
 import { Box2 } from "../math/box2";

src/renderers/WebGLState.ts src/renderers/webgl_state.tssrc/renderers/WebGLState.ts renamed to src/renderers/webgl_state.ts

@@ -1,6 +1,6 @@
 import { expect, test } from "vitest";
 import { vec2 } from "gl-matrix";
-import { WebGLState } from "../src/renderers/WebGLState";
+import { WebGLState } from "../src/renderers/webgl_state";
 import { Box2 } from "../src/math/box2";
 
 function createTestWebGLContext(): WebGL2RenderingContext {