Utils: Allow mimetype deep-scan for remote files

Text editors need to know the actual mimetype of a file to be able to
open the correct editor view. Just checking the extension is not
enough. Especially on linux there are many text files without
an extension.

Change-Id: I7e5c935b0619f5d86e97f10bfd7ff9b65da62f4b
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/plugins/texteditor/textdocument.cpp

@@ -732,7 +732,7 @@ Core::IDocument::OpenResult TextDocument::open(QString *errorString,
     emit aboutToOpen(filePath, realFilePath);
     OpenResult success = openImpl(errorString, filePath, realFilePath, /*reload =*/ false);
     if (success == OpenResult::Success) {
-        setMimeType(Utils::mimeTypeForFile(filePath).name());
+        setMimeType(Utils::mimeTypeForFile(filePath, MimeMatchMode::MatchDefaultAndRemote).name());
         emit openFinishedSuccessfully();
     }
     return success;