To what I can understand you want to show on the total count the number the count of a certain user no matter what are the filters so for Adam it will always show 9 correct?
In this case you need to overcome the context of the measure, when you use ALLSELECT you are only getting all the selected values of the information so it works for all slicers that are not related with the column you refer in this case user name.
You need to use the ALL function redo your measure to:
Should work as expected, Only one question when you have the date slicer active do you still want to have 9 or should be adjust to those dates? If the answer is keep 9 the measure should be changed to this: