Provided multiple quick fix options for variable modification

[shashank-iitbhu]

1. Does this PR affect any open issues?(Y/N) and add issue references :

• N
• Y

fix #1113

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

changes to multiple files

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

Screen.Recording.2024-03-08.at.8.20.29.AM.mov

• Modified the Message struct from Option<String> to Option<Vec<String>>.
• Due to this I had to replace arguments which were passed to suggested_replacement field of Message struct.
• In to_lsp.rs, now the suggested_replacement key of the data field of Diagnostics is mapped to a vector of strings.
• extract_suggested_replacements function in quick_fix.rs now returns a vector of replacement texts.
• Code Action for CompileError is iterated for each element of replacement_texts vector.
• Now we get multiple quick fix options for variable modification.
• Handled all the failing tests.

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

[coveralls]

Pull Request Test Coverage Report for Build 8198199663

Details

• 34 of 55 (61.82%) changed or added relevant lines in 7 files are covered.
• 2 unchanged lines in 1 file lost coverage.
• Overall coverage increased (+0.004%) to 71.752%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
kclvm/tools/src/LSP/src/quick_fix.rs	0	21	0.0%

Files with Coverage Reduction	New Missed Lines	%
kclvm/tools/src/LSP/src/quick_fix.rs	2	51.89%

Totals
Change from base Build 8187055617:	0.004%
Covered Lines:	44581
Relevant Lines:	62132

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💛 - Coveralls

[Peefy]

Amazing Job! LGTM!