Split OutputStreamCfg item lists for each module

Move all OutputStreamCfg use to relevant modules. Give each an XXX_ItemList() function to avoid wildcard use. Remove unused imports.

Import OutputStreamCfg and correct flags symbol.

Add with SCTSiPropertiesCondAlg with addCondAlgo.

Introduce TRT with ComponentAccumulator

Implement TRT digitization and test in new config style. Add this to the combined digitization test. Add pixel digitization back, though not yet updated.

Update pixel to recent changes.

Remove dead code PixelConfigCondAlg from PixelConditionsSummaryConfig. Remove its redundant test. Clean PixelDigitizationConfigNew to match.

Comment out OutputStreamCfg features with FIXME tags

Remove early test exit.

Fix comment comment.

Move PixelConditions algorithms to their own config files.

Link PixelConditionsAlgorithms python. Correct merge order.

Replace keyword arguments