[Bug Report][2.6.4] Button icon on System Bars is not center of button

[kieuminhcanh]

Environment

Vuetify Version: 2.6.4 Last working version: 2.6.4 Vue Version: 2.6.14 Browsers: Chrome 100.0.4896.127 OS: Windows 10

Steps to reproduce

I have to set icon class="ml-1" to make it center

Expected Behavior

The icon must to center of button

Actual Behavior

The icon is on the left on button

Reproduction Link

https://codepen.io/canhkieu/pen/WNdmRaY

[lioneaglesolutions]

Closing as resolved in V3

https://play.vuetifyjs.com/#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

@johnleider if happy, can you please also close related PR https://github.com/vuetifyjs/vuetify/pull/15918

[johnleider]

Since this has an existing PR that is very simple we can leave this open.