tdf#117900 Reload document after signing signature line

So that the graphic reflects the new "signed" state

Change-Id: Ic943581c4dfff53fbf9fbd5f1398c98842497a25
Reviewed-on: https://gerrit.libreoffice.org/56477
Tested-by: Jenkins
Reviewed-by: Samuel Mehrbrodt <Samuel.Mehrbrodt@cib.de>

sfx2/source/doc/objserv.cxx

@@ -1579,6 +1579,12 @@ void SfxObjectShell::SignSignatureLine(weld::Window* pDialogParent,
         false, HasValidSignatures(), aSignatureLineId, xCert, xValidGraphic, xInvalidGraphic, aComment);
 
     AfterSigning(bSignSuccess, false);
+
+    // Reload the document to get the updated graphic
+    // FIXME: Update just the signature line graphic instead of reloading the document
+    SfxViewFrame *pFrame = GetFrame();
+    if (pFrame)
+        pFrame->GetDispatcher()->Execute(SID_RELOAD);
 }
 
 SignatureState SfxObjectShell::GetScriptingSignatureState()