Returns an array with all frames related to the window. This includes the process info for the window and any iframes associated with it.
Example
    const win = await fin.Window.getCurrent();
    const processInfo = await win.getProcessInfo();
Returns an array with all frames related to the window. This includes the process info for the window and any iframes associated with it.
    const win = await fin.Window.getCurrent();
    const processInfo = await win.getProcessInfo();