Dialog Cancel Buttons have Border around them in 1.119 and 1.120

[ac1058]

OpenUI5 version:
1.119, 1.120

Browser/version (+device/version):
Chrome

Any other tested browsers/devices(OK/FAIL):
N/A

URL (minimal example if possible):

User/password (if required and possible - do not post any confidential information here):

Steps to reproduce the problem:

1. open the sap.m.Dialog sample in UI5 sample docs
   • click Settings Cog in top right and select 'Belize' and 'Compact'
2. Observe that in 1.119.x and 1.120.x the "Cancel" button has a border around it that did not exist in previous versions and versions >= 1.121.x

• https://sapui5.hana.ondemand.com/1.117.1/#/entity/sap.m.Dialog/sample/sap.m.sample.Dialog
• https://sapui5.hana.ondemand.com/1.118.1/#/entity/sap.m.Dialog/sample/sap.m.sample.Dialog
• https://sapui5.hana.ondemand.com/1.119.2/#/entity/sap.m.Dialog/sample/sap.m.sample.Dialog
• https://sapui5.hana.ondemand.com/1.120.1/#/entity/sap.m.Dialog/sample/sap.m.sample.Dialog
• https://sapui5.hana.ondemand.com/1.121.1/#/entity/sap.m.Dialog/sample/sap.m.sample.Dialog
• https://sapui5.hana.ondemand.com/1.122.1/#/entity/sap.m.Dialog/sample/sap.m.sample.Dialog

What is the expected result?

• Belize Dialog's Cancel button should not have borders around it in 1.119 and 1.120, but previous versions and versions afterwards do not have it

What happens instead?

• Cancel button has borders around it

Any other information? (attach screenshot if possible)

• It appears the css here has been removed Belize Button.less in 1.119 and 1.120

.sapMIBar-CTX .sapMBtnInner,
.sapMBar .sapMBtnInner,
.sapMHeader-CTX .sapMBtnInner,
.sapMFooter-CTX .sapMBtnInner { 
    background: @sapUiButtonLiteBackground;
    border-color: @sapUiButtonLiteBorderColor;
}

[DonkeyCo]

Thanks for reporting the issue. I've created an internal incident DINC0148190 for your reported issue. The colleagues will update you once they have news