fix wrong texture3d_from_2d_linear shader chunk path

src/mol-gl/shader-code.ts

@@ -55,7 +55,7 @@ import matrix_scale from './shader/chunks/matrix-scale.glsl';
 import normal_frag_params from './shader/chunks/normal-frag-params.glsl';
 import read_from_texture from './shader/chunks/read-from-texture.glsl';
 import size_vert_params from './shader/chunks/size-vert-params.glsl';
-import texture3d_from_2d_linear from './shader/chunks/texture3d-from-2d-nearest.glsl';
+import texture3d_from_2d_linear from './shader/chunks/texture3d-from-2d-linear.glsl';
 import texture3d_from_2d_nearest from './shader/chunks/texture3d-from-2d-nearest.glsl';
 
 const ShaderChunks: { [k: string]: string } = {