Fix collapse to definitions for top-level statements

[Youssef1313]

Fixes #52493

Thanks to who wrote this comment :)

roslyn/src/Features/Core/Portable/Structure/BlockSpan.cs

Lines 35 to 38 in c337aea

	/// <summary>
	/// Whether or not this region should be automatically collapsed when the 'Collapse to Definitions' command is invoked.
	/// </summary>
	public bool AutoCollapse { get; }

[CyrusNajmabadi]

Thanks!