[FEATURE] sap.m.Dialog css styles for HCB theme
[FEATURE] sap.m.Dialog css styles for HCB theme

[INTERNAL]
- used @sapHCShadowTint

Change-Id: I567762fef8711588f22f2915cbc5563b7730f17e
Signed-off-by: Lidiya Bobeva <5a090c0ebfa3fc0028f99b686e3f16a79d8f0996@sap.com>
SQCLabs/openui5,cschuff/openui5,cschuff/openui5,olirogers/openui5,nzamani/openui5,nzamani/openui5,SAP/openui5,olirogers/openui5,SAP/openui5,olirogers/openui5,cschuff/openui5,SAP/openui5,SQCLabs/openui5,SQCLabs/openui5,SAP/openui5,nzamani/openui5