fix don't hang the ui for a full version load

Signed-off-by: Rachel Powers <508861+Ryex@users.noreply.github.com>

launcher/minecraft/Component.cpp

@@ -222,11 +222,12 @@ bool Component::isMoveable()
     return true;
 }
 
-bool Component::isVersionChangeable()
+bool Component::isVersionChangeable(bool wait)
 {
     auto list = getVersionList();
     if (list) {
-        list->waitToLoad();
+        if (wait)
+            list->waitToLoad();
         return list->count() != 0;
     }
     return false;

launcher/minecraft/Component.h

@@ -72,7 +72,7 @@ class Component : public QObject, public ProblemProvider {
     bool isRevertible();
     bool isRemovable();
     bool isCustom();
-    bool isVersionChangeable();
+    bool isVersionChangeable(bool wait = true);
     bool isKnownModloader();
     QStringList knownConflictingComponents();