Resolves: tdf#143443 size of comment box too tall after cut/paste

a problem since...

commit 69c546e1e7
Author: Caolán McNamara <caolanm@redhat.com>
Date:   Fri Dec 4 16:30:31 2020 +0000

    weld annotation window

this sidebar case assumes that the papersize of the underlying
editengine is initially unlimited in size

Change-Id: I127f249158deecef3e2c6874982b4e7cc78e69fe
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/124656
Tested-by: Caolán McNamara <caolanm@redhat.com>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>

sw/source/uibase/docvw/SidebarTxtControl.cxx

@@ -112,7 +112,9 @@ void SidebarTextControl::SetDrawingArea(weld::DrawingArea* pDrawingArea)
     pEditView->setEditViewCallbacks(this);
 
     EditEngine* pEditEngine = GetEditEngine();
-    pEditEngine->SetPaperSize(aSize);
+    // tdf#143443 note we don't call SetPaperSize on pEditEngine unlike
+    // similar cases so that the Control defaults to the smallest possible
+    // height it might take, it can grow later
     pEditEngine->SetRefDevice(&rDevice);
 
     pEditView->SetOutputArea(tools::Rectangle(Point(0, 0), aOutputSize));