fix: fix init fs event watcher.

[He1pa]

1. Does this PR affect any open issues?(Y/N) and add issue references (e.g. "fix #123", "re #123".):

• N
• Y Fix KCL LSP crashing: Too many open files #1878

2. What is the scope of this PR (e.g. component or file name):

3. Provide a description of the PR(e.g. more details, effects, motivations or doc link):

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Other

4. Are there any breaking changes?(Y/N) and describe the breaking changes(e.g. more details, motivations or doc link):

• N
• Y

5. Are there test cases for these changes?(Y/N) select and add more details, references or doc links:

• Unit test
• Integration test
• Benchmark (add benchmark stats below)
• Manual test (add detailed scripts or steps below)
• Other

[zong-zhe]

LGTM

[coveralls]

Pull Request Test Coverage Report for Build 13712601301

Details

• 38 of 62 (61.29%) changed or added relevant lines in 1 file are covered.
• 5 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.006%) to 70.346%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
kclvm/tools/src/LSP/src/state.rs	38	62	61.29%

Files with Coverage Reduction	New Missed Lines	%
kclvm/tools/src/LSP/src/state.rs	5	72.41%

Totals
Change from base Build 13630584295:	-0.006%
Covered Lines:	52605
Relevant Lines:	74780

---

💛 - Coveralls