fpspreadsheet: Fix insert/delete column/row issues for shared formulas. Complete shared formula test cases on insert/delete columns and rows. Duplicate these test cases for OOXML. All passed.

git-svn-id: http://svn.code.sf.net/p/lazarus-ccr/svn@3595 8e941d3f-bd1b-0410-a28a-d453659cc2b4