Remove unnecessary toPath in TreeStyleOpInfo

[7hong13]

What this PR does / why we need it?

• removed the toPath in TreeStyleOpInfo to sync with yorkie-js-sdk.
• added test annotations to prevent TooManyRequestsException during the execution of instrumentation tests.

Any background context you want to provide?

What are the relevant tickets?

Fixes #

Checklist

• Added relevant tests or not required
• Didn't break anything

[codecov]

Codecov Report

Attention: 35 lines in your changes are missing coverage. Please review.

Comparison is base (5989f50) 78.46% compared to head (119e176) 79.59%.
Report is 2 commits behind head on main.

Files	Patch %	Lines
...c/main/kotlin/dev/yorkie/document/crdt/CrdtTree.kt	83.33%	4 Missing and 28 partials ⚠️
...c/main/kotlin/dev/yorkie/document/json/JsonTree.kt	80.00%	2 Missing ⚠️
...orkie/src/main/kotlin/dev/yorkie/util/IndexTree.kt	94.44%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #150      +/-   ##
==========================================
+ Coverage   78.46%   79.59%   +1.12%     
==========================================
  Files          63       63              
  Lines        3743     3837      +94     
  Branches      582      601      +19     
==========================================
+ Hits         2937     3054     +117     
+ Misses        500      459      -41     
- Partials      306      324      +18     

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