[display] nested pattern is not reporting CompletionModeKind.Pattern

[Gama11]

kind is 2 there (regular Toplevel).

import haxe.macro.Expr.ExprDef;

class Main {
	public static function main() {
		switch ((null:ExprDef)) {
			case EConst():
			case _:
		}
	}
}

This means vshaxe can't auto-generate the arguments like it does for the outer EConst.

[Gama11]

Ah, actually, simply reporting Pattern in that case wouldn't do, as we would then try to auto-insert : and have the same issue as with #7223.