add single quotes to WSL drag and drop

[js324]

Wrap single quotes to drag and dropped paths in WSL

References and Relevant Issues

#15646 , #8109

Detailed Description of the Pull Request / Additional comments

First time contributor, from what I understand from reading #15646 and #8109 , issue is asking for single quotes added to a drag and dropped path always, regardless of whitespace and special characters, in WSL.

Validation Steps Performed

Tested drag and drop changes in WSL and non WSL sources.

Closes #15646

[lhecker]

If you don't mind doing it in this PR, the below code is kinda whack and could need an improvement. .insert(0, L"\""); is an O(n) operation that is entirely avoidable, because the fullPath is being appended to allPathsString anyways, so we can instead just append the quotes to allPathsString directly. Here's what I mean:

const auto isWSL = _interactivity.ManglePathsForWsl();

if (isWSL)
{
    // ...
    // the above WSL specific code block but without your new addition
    // ...
}

const auto quotesNeeded = isWSL || fullPath.find(L' ') != decltype(fullPath)::npos;
const auto quotesChar = isWSL ? L'\'' : L'"';

// Append fullPath and also wrap it in quotes if needed
if (needsQuotes)
{
    allPathsString.push_back(quotesChar);
}
allPathsString.append(fullPath);
if (needsQuotes)
{
    allPathsString.push_back(quotesChar);
}

[js324]

Thanks for the feedback! Implemented and tested the changes

[js324]

@microsoft-github-policy-service agree

[carlos-zamora]

Thanks for doing this!