Add Frame::requestedFloatingWindowFlags()

Just so we can share this bit of code without duplicating it

src/private/FloatingWindow.cpp

@@ -197,11 +197,7 @@ static FloatingWindowFlags floatingWindowFlagsForFrame(Frame *frame)
     if (!frame)
         return FloatingWindowFlag::FromGlobalConfig;
 
-    const auto dockwidgets = frame->dockWidgets();
-    if (!dockwidgets.isEmpty())
-        return dockwidgets.first()->floatingWindowFlags();
-
-    return FloatingWindowFlag::FromGlobalConfig;
+    return frame->requestedFloatingWindowFlags();
 }
 
 FloatingWindow::FloatingWindow(Frame *frame, QRect suggestedGeometry, MainWindowBase *parent)

src/private/Frame.cpp

@@ -918,3 +918,12 @@ WidgetResizeHandler *Frame::resizeHandler() const
 {
     return m_resizeHandler;
 }
+
+FloatingWindowFlags Frame::requestedFloatingWindowFlags() const
+{
+    const auto dockwidgets = this->dockWidgets();
+    if (!dockwidgets.isEmpty())
+        return dockwidgets.first()->floatingWindowFlags();
+
+    return FloatingWindowFlag::FromGlobalConfig;
+}

src/private/Frame_p.h

@@ -312,6 +312,9 @@ public:
     /// @brief Returns the resize handler. Used mostly in MDI mode.
     WidgetResizeHandler *resizeHandler() const;
 
+    /// @brief User requested floating window flags for when this group floats
+    FloatingWindowFlags requestedFloatingWindowFlags() const;
+
 Q_SIGNALS:
     void currentDockWidgetChanged(KDDockWidgets::DockWidgetBase *);
     void numDockWidgetsChanged();