Fix issue with case sensitive files

Fix #14724, close #14971

PowerEditor/src/ScintillaComponent/Buffer.cpp

@@ -1795,7 +1795,7 @@ BufferID FileManager::getBufferFromName(const TCHAR* name)
 {
 	for (auto buf : _buffers)
 	{
-		if (OrdinalIgnoreCaseCompareStrings(name, buf->getFullPathName()) == 0)
+		if (wcscmp(name, buf->getFullPathName()) == 0)
 		{
 			if (!(buf->_referees.empty()) && buf->_referees[0]->isVisible())
 			{

PowerEditor/src/ScintillaComponent/DocTabView.cpp

@@ -95,7 +95,7 @@ BufferID DocTabView::findBufferByName(const TCHAR * fullfilename) //-1 if not fo
 		::SendMessage(_hSelf, TCM_GETITEM, i, reinterpret_cast<LPARAM>(&tie));
 		BufferID id = reinterpret_cast<BufferID>(tie.lParam);
 		Buffer * buf = MainFileManager.getBufferByID(id);
-		if (OrdinalIgnoreCaseCompareStrings(fullfilename, buf->getFullPathName()) == 0)
+		if (wcscmp(fullfilename, buf->getFullPathName()) == 0)
 		{
 			return id;
 		}