3202505 - My Inbox missing standard icons (Info, link, attachment and others)

• Recently upgraded from 754 SP0005 (SAPK-75405INSAPUI) to 755 SP0005 (SAPK-75505INSAPUI)
• From SAPUI5 1.70.21 to 1.84.17
• The environment has an ABAP Portal and an Enterprise Java Portal
• The Enteprise Portal is used for SRM and LSO functionalities
• After the support pack upgrade, the standard My Inbox icons are missing on the Enterprise Portal however there is no issues with the ABAP Portal version
  
  See error:
  
  

• SAPUI5 1.84.17
• My Inbox 1.23.8 

"My Inbox missing Icons","After upgrade My Inbox icons missing","Attachment Icons missing","Link Icons missing","Info Icons missing" , KBA , EP-PIN-NAV-FFP , Fiori Framework Page , CA-INB-FIO , Fiori UI for My Inbox Application , Problem