Add language property support for AzureMapProvider

Workaround:
Create a custom provider with a custom source, and on the GetTile method of the custom source, you can override the query to contain the language parameter.

Returns a Range object that represents the current region. The current region is a range bounded by any combination of blank rows and blank columns. If we want to be consistent with MS Excel we should implement this property. It is useful for many operations of a region such as filtering(selecting one cell and executing the Filter command should apply it to the current region), sorting, selecting all and etc. This document will be useful: https://docs.microsoft.com/en-us/office/vba/api/excel.range.currentregion.

Having a table, for example, with empty cells, executing the TabBackwardsCommand does not move the caret to the previous cell of the row.

One cannot build the demos source because of the licensing version.