MultilineInput: Refer to `Input` for props type, deduping.
MultilineInput: Refer to `Input` for props type, deduping.

Now that `Input` has an exact type for its props, this is
just as effective, while being less unnecessarily specific.

Apply the same technique as we just did for `PasswordInput`
to forbid passing the props that this component wants to
set for itself.

vishwesh3/zulip-mobile,vishwesh3/zulip-mobile,vishwesh3/zulip-mobile,vishwesh3/zulip-mobile