fix: rename animation option to withoutAnimation in lookAt

[keiya01]

Overview

I added animation option to lookAt function. This option makes lookAt function work without animation.
But the name that called animation is miss context, so I fixed this name to withoutAnimation.
https://github.com/reearth/reearth-web/pull/338/files#diff-0b5055db5c2f9046c0a43a5d935daac31c9eff33ee864fe1f90cc7f890932e09R84

What I've done

What I haven't done

How I tested

Screenshot

Which point I want you to review particularly

Memo

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[codecov]

Codecov Report

Merging #361 (6289824) into main (abb4ed9) will not change coverage.
The diff coverage is 0.00%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #361   +/-   ##
=======================================
  Coverage   18.39%   18.39%           
=======================================
  Files         514      514           
  Lines       51644    51644           
  Branches      640      640           
=======================================
  Hits         9498     9498           
  Misses      42111    42111           
  Partials       35       35           

Impacted Files	Coverage Δ
...molecules/Visualizer/Engine/Cesium/useEngineRef.ts	68.51% <0.00%> (ø)
src/components/molecules/Visualizer/Engine/ref.ts	0.00% <0.00%> (ø)