[Bug 984315] Fixing flexboxes in contact button

[Bug 984315] Add "carrier" class to the element

[Bug 984315] Proper HTML & styles for the carrier

[Bug 984315] Displaying coma when needed

[Bug 984315] Console logs removed

[Bug 984315] Contact button flex fix

[Bug 984315] Call icon padding fix

[Bug 984315] Moving styles to CSS

[Bug 984315] Last polishing

[Bug 984315] Tests update