refactor(core): move Status class to core.h

src/core/core.h

@@ -37,6 +37,14 @@ class GroupInvite;
 class Profile;
 class QTimer;
 
+enum class Status
+{
+    Online = 0,
+    Away,
+    Busy,
+    Offline
+};
+
 class Core : public QObject
 {
     Q_OBJECT

src/core/corestructs.h

@@ -7,14 +7,6 @@
 class QFile;
 class QTimer;
 
-enum class Status
-{
-    Online = 0,
-    Away,
-    Busy,
-    Offline
-};
-
 struct ToxFile
 {
     enum FileStatus