Snap indicator flickers

Summary:

The snapping indicator on passive mouse movements flickers.

Steps to reproduce:

• open grid.svg
• Enable snapping
• Select rectangle tool
• Move mouse over canvas

What happened?

The snap indicator which shows grid intersections flickers.

snap-flicker-2023-04-01_14.44.57

What should have happened?

No flickering.

Version info

Inkscape 1.3-alpha (dcb0cb3b7f, 2023-04-01, custom)

    GLib version:     2.76.1
    GTK version:      3.24.37
    glibmm version:   2.66.6
    gtkmm version:    3.24.7
    libxml2 version:  2.10.3
    libxslt version:  1.1.37
    Cairo version:    1.17.8
    Pango version:    1.50.14
    HarfBuzz version: 7.1.0

    OS version:       Arch Linux

Also observed with:

Inkscape 1.3-alpha (dcb0cb3b7f, 2023-04-01, custom)

    GLib version:     2.74.6
    GTK version:      3.24.38
    glibmm version:   2.66.5
    gtkmm version:    3.24.7
    libxml2 version:  2.9.4
    libxslt version:  1.1.37
    Cairo version:    1.17.7
    Pango version:    1.50.14
    HarfBuzz version: 7.1.0

    OS version:       macOS

Not observed with Inkscape 1.2.2