fix: Fixed code coloring issues

[Kakueeen]

Fixed a coloring issue where QT_DEBUG macro could not be recognized

Log: fix issue

[deepin-ci-robot]

deepin pr auto review

关键摘要:

• 在LanguageWorker::handleDocumentSemanticTokens函数中，使用了textEditor->text(startPos, startPos + val.length)来获取源代码字符串，而不是直接使用val.length来计算字符串长度。这可能是为了确保在处理跨行字符串时能够正确获取源代码。
• 在LanguageClientHandlerPrivate::getClient函数中，对projectKey的验证增加了对outputDirectory的检查，确保在调用LSPClientManager::instance()->get(projectKey)时提供了正确的项目键。
• 在newlsp::Client的selectLspServer方法中，使用了projectKey.outputDirectory.c_str()来设置--compile-commands-dir参数，这可能是一个错误，因为projectKey.outputDirectory是一个字符串，而不是一个指针。
• 在LSPClientManager::get函数中，对projectKey的验证增加了对outputDirectory的检查，确保在调用qApp->metaObject()->invokeMethod(client, "initRequest")时提供了正确的项目键。
• 在LanguageClientHandlerPrivate::handleDiagnostics函数中，使用了projectKey.outputDirectory.c_str()来设置qApp->metaObject()->invokeMethod(client, "initRequest")的参数，这可能是一个错误，因为projectKey.outputDirectory是一个字符串，而不是一个指针。

是否建议立即修改:
是

• 应该立即修正上述错误，以确保代码的正确性和可靠性。特别是对于projectKey.outputDirectory的错误使用，这可能会导致运行时错误，需要立即修复。

[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: Kakueeen, LiHua000
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