Ignore double click distance clicking on items

khfengrequested to merge
khfeng/desktop-icons-ng:double-tap into master

It's very hard to open items from double tapping on touchscreen.

So ignore double click distance to resolve the issue.

This patch is essentially a port from: https://gitlab.gnome.org/World/ShellExtensions/desktop-icons/-/commit/9e66c23c63104fd4df0ee2b6f7691ee663edf44f

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