merge toggleHidden() code into showNormalIfMinimized() to extend the functionality, but keep a simpler toggleHidden() for use in SLOT() macro

src/qt/bitcoingui.h

@@ -169,9 +169,9 @@ private slots:
     /** Ask for pass phrase to unlock wallet temporarily */
     void unlockWallet();
 
-    /** Show window if hidden, unminimize when minimized */
-    void showNormalIfMinimized();
-    /** Hide window if visible, show if hidden */
+    /** Show window if hidden, unminimize when minimized, rise when obscured or show if hidden and fToggleHidden is true */
+    void showNormalIfMinimized(bool fToggleHidden = false);
+    /** simply calls showNormalIfMinimized(true) for use in SLOT() macro */
     void toggleHidden();
 };