guake follows mouse focus when have 2 monitors

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**Describe the bug**

I have 2 monitors. When guake shows in the first monitor, and then I click on the second monitor, guake shows in the second monitor.

**Expected behavior**

guake should stay in the first monitor as previous version does.

**Actual behavior**

What you actually get.

**To Reproduce**

Provide the steps to reproduce the behavior

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Please run `$ guake --support`, and paste the results here. Don't put backticks (`` ` ``) around it! The output already contains Markdown formatting. And make sure you run the command **OUTSIDE** the Guake.

$ guake --support
$ guake --support

Guake Version: 3.7.0

Vte Version: 0.60.1

Vte Runtime Version: 0.60.1

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GTK+ Version: 3.24.18

GDK Backend: GdkX11.X11Display

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Desktop Session: xubuntu

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Display: :0.0

RGBA visual: True

Composited: True

* Monitor: 0 - DEL HDMI-1
* Geometry: 1920 x 1080 at 0, 0
* Size: 509 x 286 mm²
* Primary: True
* Refresh rate: 60.00 Hz
* Subpixel layout: unknown
* Monitor: 1 - DEL HDMI-2
* Geometry: 1920 x 1080 at 1920, 0
* Size: 509 x 286 mm²
* Primary: False
* Refresh rate: 60.00 Hz
* Subpixel layout: unknown