IntelliJ Shift Shift Shortcut in Visual Studio (Global Search)

It’s became possible after the recently VS Code release(1.54.0 or above), you can update keybindings.json with following code:

[
{
    "key": "shift shift",
    "command": "workbench.action.quickOpen"
},
{
    "key": "alt alt",
    "command": "workbench.action.quickOpen"
},
{
    "key": "ctrl ctrl",
    "command": "workbench.action.showCommands"
}
]

Source: https://github.com/microsoft/vscode/issues/5280#issuecomment-767869212

Or install VS Code extension: shift shift