bug#58252: 29.0.50; Docstrings generated by defclass may be to wide

[Jonas Bernoulli]

The docstrings generated by helper functions of defclass are to wide
if the name of the class is wide enough.  For example, the docstring
for `emacsql-sqlite-builtin-connection--eieio-childp' is:

,----
| emacsql-sqlite-builtin-connection--eieio-childp is a byte-compiled
| Lisp function in `emacsql-sqlite-builtin.el'.
| 
| (emacsql-sqlite-builtin-connection--eieio-childp OBJ)
| 
| Return non-nil if OBJ is an object of type 
`emacsql-sqlite-builtin-connection' or a subclass.
`----

This affects at least the --eieio-childp, -child-p, -list-p and -p
functions.