[TD]Allow forced redraw of Page

src/Mod/TechDraw/App/DrawView.cpp

@@ -367,9 +367,11 @@ bool DrawView::keepUpdated(void)
     bool result = false;
 
     bool pageUpdate = false;
+    bool force = false;
     TechDraw::DrawPage *page = findParentPage();
     if(page) {
         pageUpdate = page->KeepUpdated.getValue();
+        force = page->forceRedraw();
     }
 
     if (DrawPage::GlobalUpdateDrawings() &&
@@ -380,6 +382,9 @@ bool DrawView::keepUpdated(void)
                 pageUpdate) {
         result = true;
     }
+    if (force) {         //when do we turn this off??
+        result = true;
+    }
 
     return result;
 }