Assembly view scale list: The permitted view scales list for the assembly view.
Table list: the user can add the permitted scales as a list in a format x1:y1;x2:y2;x3:y3, etc.
The separator is ";"
Up to 50 scales are allowed (~300 characters).
If zero or negative scales are added, they are ignored.
If an error is made in the format, the system skips to the next ";" and continues the search.
If there are duplicate values, the system deletes them.
The list always contains the scale 1:1 (even if it was never entered).
The system sorts the scale values in ascending order of size.