Using a disconnected table to achieve partial visual interaction

Here is a link to a PBIS with the correct functionality.

https://drive.google.com/file/d/1Gh7yBEZcwZJfbQKwgEr5N4DBy7Re3_md/view?usp=drive_link

The date slicer is taken from the disconnected dim table.

The date in the Barchart is taken from the dim date table.

The date in the Matrix is taken from the disconnected dim table.

I adjusted the measure in the Barchart so that :

SalesAmountInBarChart = 
VAR _MinSelected = MIN('dimDateDisconnected'[YearMonth])
VAR _MaxSelected = MAX('dimDateDisconnected'[YearMonth])
VAR _CalcSales = 
IF (
     SELECTEDVALUE('dimDate'[YearMonth])>=_MinSelected && SELECTEDVALUE('dimDate'[YearMonth])<=_MaxSelected,
      [SalesAmount],BLANK()
)
RETURN
_CalcSales

The measure in the Matrix:

SalesAmountInMatrix = 
CALCULATE(
    [SalesAmount],
    TREATAS(
        VALUES(dimDateDisconnected[YYYY/MM]),
        factSales[YYYY/MM]
        ),
        ALL(dimDate[YYYY/MM])
)