Comment 1 for bug 1878079

Fix pushed:

https://git.evergreen-ils.org/?p=working/Evergreen.git;a=shortlog;h=refs/heads/user/berick/lp1878079-staffcat-holdings-from-org-rows

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From the commit:

When adding new call numbers from the Angular staff catalog Holdings View grid, take all selected grid rows into consideration when determining how many call numbers to add and what their owning libs should be.

To test:
* Navigate to the Holdings View tab of a record detail page in the Angular staff catalog.
* Select multiple rows in the grid which are org unit-only rows (i.e. the row does not refer to a specific call number or item).
* From the action menu / right client menu, select "Add Call Numbers"
* Confirm that a call number entry for each selected org unit is present in the spawned holdings editor.