Fix wrong link in the documentation of topological submanifolds

[egourgoulhon]

The link in the OUTPUT field of the docstring of TopologicalSubmanifold.open_subset is corrected to :class:`TopologicalSubmanifold`

Component: manifolds

Author: Eric Gourgoulhon

Branch/Commit: 9584bf1

Reviewer: Kwankyu Lee

Issue created by migration from https://trac.sagemath.org/ticket/34565

[egourgoulhon]

Author: Eric Gourgoulhon

[egourgoulhon]

Branch: public/manifolds/fix_doc_topological_submanifolds-34565

[egourgoulhon]

Commit: 9584bf1

[egourgoulhon]

New commits:

9584bf1

Fix wrong link in the documentation of TopologicalSubmanifold.open_subset (Trac #34565)

[kwankyu]

comment:2

LGTM.

[kwankyu]

Reviewer: Kwankyu Lee

[egourgoulhon]

comment:3

Thanks for the review!

[vbraun]

Changed branch from public/manifolds/fix_doc_topological_submanifolds-34565 to 9584bf1