change: mod metadata improvements

- Use slug instead of name
- Keep temporary status before having local details

Signed-off-by: flow <flowlnlnln@gmail.com>

launcher/ModDownloadTask.cpp

@@ -47,10 +47,9 @@ void ModDownloadTask::downloadSucceeded()
 {
     m_filesNetJob.reset();
     auto name = std::get<0>(to_delete);
-    if (!name.isEmpty()) {
-        // If they have the same name, we keep the metadata.
-        // This is a workaround for mods that change names between versions ;c
-        mods->uninstallMod(std::get<1>(to_delete), name == m_mod.name);
+    auto filename = std::get<1>(to_delete);
+    if (!name.isEmpty() && filename != m_mod_version.fileName) {
+        mods->uninstallMod(filename, true);
     }
 }