Allow disabled rows in ListView

[regdocs]

In some cases, we may need to display a disabled selectable row instead of filtering it out programmatically to prevent customers from panicking.

Preview of a patch implemented in press dashboard using a meta field __disabled on the row object:

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Ref: https://github.com/frappe/press/blob/develop/dashboard/patches/frappe-ui%2B0.1.238.patch