sfx2: do reload on SID_EDITDOC in SfxViewFrame::ExecReload_Impl()

commit b505ca5b9c "Switch to read-only
mode: do not force reload document if possible" replaced "true" with
"bNeedsReload" here - but this is a problem when switching from
read-only to editable.

1. Start LO and load a document from WebDAV editable
2. Start other LO and load the same document from WebDAV read-only
3. In first LO, edit document, store it and close it
4. In second LO, click "Edit Document" button
5. LO doesn't reload the document and shows stale content

It's not clear what problem that commit was trying to solve, but let's
assume that it intended to change only what happens when switching from
editable to read-only.

Change-Id: I69c779c5c0c5c2ccda677ea8cb353c8716916861
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/133171
Tested-by: Jenkins
Reviewed-by: Michael Stahl <michael.stahl@allotropia.de>

sfx2/source/view/viewfrm.cxx

@@ -596,7 +596,8 @@ void SfxViewFrame::ExecReload_Impl( SfxRequest& rReq )
                 }
             }
 
-            rReq.AppendItem( SfxBoolItem( SID_FORCERELOAD, bNeedsReload) );
+            rReq.AppendItem( SfxBoolItem(SID_FORCERELOAD,
+                    rReq.GetSlot() == SID_EDITDOC || bNeedsReload) );
             rReq.AppendItem( SfxBoolItem( SID_SILENT, true ));
 
             [[fallthrough]]; //TODO ???