Terminal:send resize notify on attaching window to view

During adding the second tab the view in the first one may change its
lines count in case the Terminal window was maximized. Send resize
notification to client rpogram on every reattaching view to window.

Fixes #9809

src/apps/terminal/TermView.cpp

@@ -606,13 +606,13 @@ TermView::SetTermSize(int rows, int columns, bool notifyShell)
 
 
 void
-TermView::SetTermSize(BRect rect)
+TermView::SetTermSize(BRect rect, bool notifyShell)
 {
 	int rows;
 	int columns;
 
 	GetTermSizeFromRect(rect, &rows, &columns);
-	SetTermSize(rows, columns, false);
+	SetTermSize(rows, columns, notifyShell);
 }
 
 
@@ -1162,7 +1162,7 @@ TermView::AttachedToWindow()
 	// update the terminal size because it may have changed while the TermView
 	// was detached from the window. On such conditions FrameResized was not
 	// called when the resize occured
-	SetTermSize(Bounds());
+	SetTermSize(Bounds(), true);
 	MakeFocus(true);
 	if (fScrollBar) {
 		fScrollBar->SetSteps(fFontHeight, fFontHeight * fRows);

src/apps/terminal/TermView.h

@@ -81,7 +81,8 @@ public:
 			int					Columns() const;
 			BRect				SetTermSize(int rows, int cols,
 									bool notifyShell);
-			void				SetTermSize(BRect rect);
+			void				SetTermSize(BRect rect,
+									bool notifyShell = false);
 			void				GetTermSizeFromRect(const BRect &rect,
 									int *rows, int *columns);