EXT-7328 FIX If accordion tab has "fit_to_panel" flag on its height shouldn't be changed while arranging accordion tabs even if its the only tab in ctrl.

reviewed by Vadim Savchuk at https://codereview.productengine.com/secondlife/r/533/

--HG--
branch : product-engine

indra/llui/llaccordionctrl.cpp

@@ -352,7 +352,7 @@ void LLAccordionCtrl::addCollapsibleCtrl(LLView* view)
 	mAccordionTabs.push_back(accordion_tab);
 
 	accordion_tab->setDropDownStateChangedCallback( boost::bind(&LLAccordionCtrl::onCollapseCtrlCloseOpen, this, mAccordionTabs.size() - 1) );
-
+	arrange();	
 }
 
 void LLAccordionCtrl::removeCollapsibleCtrl(LLView* view)
@@ -541,6 +541,8 @@ void LLAccordionCtrl::arrange()
 		
 		S32 panel_height = getRect().getHeight() - 2*BORDER_MARGIN;
 
+		if (accordion_tab->getFitParent())
+			panel_height = accordion_tab->getRect().getHeight();
 		ctrlSetLeftTopAndSize(accordion_tab,panel_rect.mLeft,panel_top,panel_width,panel_height);
 		
 		show_hide_scrollbar(getRect().getWidth(),getRect().getHeight());

indra/llui/llaccordionctrltab.h

@@ -190,6 +190,7 @@ public:
 	void showAndFocusHeader();
 
 	void setFitPanel( bool fit ) { mFitPanel = true; }
+	bool getFitParent() const { return mFitPanel; }
 
 protected:
 	void adjustContainerPanel	(const LLRect& child_rect);