Cursors not available for Login Window in Linux Mint 20 (with proposed fix)

[gilbertohasnofb]

Description of the problem

In Linux Mint 20, to install these cursors system-wide one must place them in the folder /usr/share/icons/. The new cursor themes are recognised by the Theme app, but not by the Login Window app, which sets the cursors for the login window.

I found out by comparing with the default cursor themes and using trial and error that the issues is because of the cursor.theme file. Currently they contain the lines:

[Icon Theme]
Name=Bibata-Original-Classic

They must also include the line Inherits=:

[Icon Theme]
Name=Bibata-Original-Classic
Inherits=Bibata-Original-Classic

[stale]

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