Reduce usage of getDetectorIDToWorkspaceIndexMap(true)

[Nick Draper]

This call on matrixworkspace throws if grouped detectors are found.

Go through algorithms using this call and assess if they can be made group friendly, then either fix them or create specfic tickets.

Once all usages are gone then the boolean itself should be removed and the method always return group capable data.

The same applies to getDetectorIDToWorkspaceIndexVector(??, ?? ,true)

[Nick Draper]

(In #6197) #7241 created to deal with remaining ussages of true

[Nick Draper]

Moved to backlog at the code freeze for R2.6

[Nick Draper]

Bulk move to assigned at the introduction of the triage step

[Stuart Campbell]

This ticket has been transferred to github issue ​8087