docx: Automatic numbering support.
* Using the combination of text:continue-numbering and text:start-value, which is fine for simple docx files. To support interferrence of numbered list at the same level with separate numbering the text:continue-list support is required. * Stopped using the KoGenStyles::AllowDuplicates parameter when inserting a list style into the styles collection. * Added support for the w:lvlOverride element. TODO: Numbered lists inside tables. In MSWord, the automatic numbering is applied in a table column. Each column has a separate numbered lists. The filter is OK, waiting the layout part to test. BUG:285303