Resolve "JBM MD handle is not needed except MASA"
- Related issues: #1099 (closed)
 - Requested reviewers: @pihlajakuja
 
Reason why this change is needed
- The JBM handle 
hJbmMetadatais allocated in all formats with EXT output configuration. However, it is needed in MASA and OMASA formats only and it thus consumes unnecessary memory in other formats. 
Description of the change
- Limit the allocation of 
hJbmMetadatahandle to MASA and OMASA only. 
Affected operating points
- All is BE.