[INTERNAL] FeedListItem - replace \n with " " for shortened text
[INTERNAL] FeedListItem - replace \n with " " for shortened text

Change-Id: I3d2f0ce82a83df493d9e71cd4b31987def9f4131
JIRA: FXUBRQ13-1511
BCP: 1980256862

SAP/openui5,SAP/openui5,SAP/openui5,SAP/openui5