Levels are not pushing to a new model and an error is incorrectly raised

[sonyaqaderi]

Description:

When pushing several object types such as Levels, Floors and Walls - the Levels do not push and return an error for not pushing to a new model (despite the model being new).

When pushed independently the Levels push fine.

Steps to reproduce:

See test script.

Expected behaviour:

Levels to push without error.

Test file(s):

https://burohappold.sharepoint.com/:f:/r/sites/BHoM/02_Current/12_Scripts/01_Issue/BHoM/ETABS_Toolkit/%23435-LevelsNotPushingWithOtherObjects?csf=1&web=1&e=vzabMA

[peterjamesnugent]

See here: BHoM/BHoM_Adapter#390