Refactor some of the code with lsp and api layer to use DocumentStore directly now that it exists

[sheetalkamat]

No description provided.

[Copilot]

Pull Request Overview

This PR refactors various layers of the codebase to use the new DocumentStore directly, replacing previous ScriptInfo getter methods and document registry calls. Key changes include:

• Updating test files and service methods to use DocumentStore().GetScriptInfoByPath and serviceToPath.
• Refactoring numerous functions in service.go, project.go, and api.go to delegate document management to DocumentStore.
• Removing outdated GetScriptInfo and DocumentRegistry interfaces and associated helper methods.

Reviewed Changes

Copilot reviewed 9 out of 9 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
internal/project/util_test.go	Introduces serviceToPath and updates config file existence checks for DocumentStore usage
internal/project/service_test.go	Replaces GetScriptInfo calls with DocumentStore equivalents
internal/project/service.go	Refactors file operations to use DocumentStore methods instead of deprecated ones
internal/project/scriptinfo.go	Updates symlink handling to call DocumentStore.AddRealpathMapping
internal/project/projectreferencesprogram_test.go	Replaces GetScriptInfo calls in test cases with DocumentStore calls
internal/project/projectlifetime_test.go	Updates tests to use serviceToPath and DocumentStore for file and project assertions
internal/project/project.go	Refactors document handling by replacing DocumentRegistry with DocumentStore
internal/compiler/fileloader.go	Uses a new variable (optionsForFile) in place of the previous computed options
internal/api/api.go	Removes deprecated API helper methods and updates ProjectHost implementations

Comments suppressed due to low confidence (1)

internal/compiler/fileloader.go:385

• Ensure that 'optionsForFile' is defined in this context and correctly computed, as it replaces the previous inline call to 'module.GetCompilerOptionsWithRedirect'.

			mode := getModeForUsageLocation(file.FileName(), meta, entry, optionsForFile)