OpenXML Filter: support styles hierarchy in presentation table cells

Styles of p:cSld/p:spTree/p:graphicFrame/a:graphic/a:graphicData/a:tbl/a:tr/a:tc/a:txBody/a:lstStyle kind should be considered.

The attached document illustrates the behaviour - the p:sldMaster/p:txStyles/p:otherStyle is applied to table cells text (cap=”all”):

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