Sort does'nt work with Contents+Time unit

[LigaSaleniece]

Describe the bug
Sorting does’nt work when table structure consists only of Time unit and Contents and only one Contents value is selected.

To Reproduce
Here is an example from SCB database (table Matrix 000004VU): https://www.statistikdatabasen.scb.se/sq/133208 .

Expected behavior
Sortable table view does'nt show Variable/Contents name and there are no sort arrows.

Actual behavior
Sortable table view show Variable/Contents names and there are arrows for value sorting.

Additional context
Sorting arrows appear when multiple Contents values are selectable and are selected. Example:
https://www.statistikdatabasen.scb.se/sq/133214

Līga, Statistics Latvia

[likp]

It appears to be connected to have set remove-single-content to true. This leaves us with only one variable, time. We have to investigate further if this is intentional or not.