Guake window moves displays on mouse click

**Describe the bug**

Opening Guake on display A and then immediately clicking within display B moves Guake to display B. This only happens for the first mouse click made outside of Guake after open eg. opening Guake on display A and clicking within display A (outside of Guake) and then clicking display B leaves Guake on display A.

**Expected behavior**

Guake stays on display A.

**Actual behavior**

Opening Guake on display A and then immediately clicking within display B moves Guake to display B.

**To Reproduce**

Make Guake visible then click on a different display.

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$ guake --support

Guake Version: 3.6.4

Vte Version: 0.52.2

Vte Runtime Version: 0.52.2

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GTK+ Version: 3.22.30

GDK Backend: GdkX11.X11Display

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Desktop Session: ubuntu

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Display: :0

RGBA visual: True

Composited: True

* Monitor: 0 - eDP-1
* Geometry: 1920 x 1080 at 13, 1080
* Size: 344 x 193 mm²
* Primary: True
* Refresh rate: 60.01 Hz
* Subpixel layout: unknown
* Monitor: 1 - HDMI-2
* Geometry: 1920 x 1080 at 0, 0
* Size: 480 x 270 mm²
* Primary: False
* Refresh rate: 60.00 Hz
* Subpixel layout: unknown