fix: CF import and Modrinth export

Signed-off-by: Trial97 <alexandru.tripon97@gmail.com>

launcher/InstanceImportTask.cpp

@@ -113,18 +113,26 @@ QString InstanceImportTask::getRootFromZip(QStringList files)
     if (!isRunning()) {
         return {};
     }
+    auto cleanPath = [](QString path) {
+        if (path == ".")
+            return QString();
+        QString result = path;
+        if (result.startsWith("./"))
+            result = result.mid(2);
+        return result;
+    };
     for (auto&& fileName : files) {
         setDetails(fileName);
         QFileInfo fileInfo(fileName);
         if (fileInfo.fileName() == "instance.cfg") {
             qDebug() << "MultiMC:" << true;
             m_modpackType = ModpackType::MultiMC;
-            return fileInfo.path();
+            return cleanPath(fileInfo.path());
         }
         if (fileInfo.fileName() == "manifest.json") {
             qDebug() << "Flame:" << true;
             m_modpackType = ModpackType::Flame;
-            return fileInfo.path();
+            return cleanPath(fileInfo.path());
         }
         QCoreApplication::processEvents();
     }

launcher/archive/ArchiveWriter.cpp

@@ -56,7 +56,7 @@ bool ArchiveWriter::open()
     } else if (lowerName.endsWith(".tar.xz") || lowerName.endsWith(".txz")) {
         archive_write_set_format_pax_restricted(m_archive);
         archive_write_add_filter_xz(m_archive);
-    } else if (lowerName.endsWith(".zip") || lowerName.endsWith(".jar")) {
+    } else if (lowerName.endsWith(".zip") || lowerName.endsWith(".jar") || lowerName.endsWith(".mrpack")) {
         archive_write_set_format_zip(m_archive);
     } else if (lowerName.endsWith(".tar")) {
         archive_write_set_format_pax_restricted(m_archive);