Create BLorient9798 (Sawāsəw) (#2511)

* Create BLorient9798 (Sawāsəw)

Some questions concerning  probable new IDs for ms_i2, ms_i3 and ms_i4 are still under discussion in BetaMasaheft/Documentation#2580 and in BetaMasaheft/Documentation#2582.
For ms_i1.2 it was decided not to create an individual ID and to nest it to the Sawāsəw in BetaMasaheft/Documentation#2578.

* Update BLorient9798 (Qene-IDs)

* Update BLorient9798

Following Jonas remark in BetaMasaheft/Works#1151 (review).

* Update BLorient9798 according to Jonas requests

* Update BLorient9798

According to Denis requests and adding a new LIT ID.

* Update BLorient9798 according to Denis requests

* Update BLorient7945 (editor key, BnF Abb 146)

* Update BLorient9798 according to Denis remarks