tdf#91495 don't change tree entry height when preview is disabled

Change-Id: Ic707f4407bb3aef5f2a7b9d13a0340c6d9afb3fe
(cherry picked from commit 9f75bad2)
Reviewed-on: https://gerrit.libreoffice.org/17178Reviewed-by: Michael Meeks <michael.meeks@collabora.com>
Tested-by: Michael Meeks <michael.meeks@collabora.com>

sfx2/source/dialog/templdlg.cxx

@@ -330,8 +330,11 @@ SfxActionListBox::SfxActionListBox(SfxCommonTemplateDialog_Impl* pParent, WinBit
 
 void SfxActionListBox::Recalc()
 {
-    SetEntryHeight(32 * GetDPIScaleFactor());
-    RecalcViewData();
+    if (officecfg::Office::Common::StylesAndFormatting::Preview::get())
+    {
+        SetEntryHeight(32 * GetDPIScaleFactor());
+        RecalcViewData();
+    }
 }
 
 PopupMenu* SfxActionListBox::CreateContextMenu()