Draft: Update startAtOriginalPerigee tracking flags to true (ATLASRECTS-8132)

Fix wrong computation of track covariance matrix for TRTStandalone tracks

Discussed in ATLASRECTS-8132 and impact validated in ATLPHYSVAL-1132

for-2025-data-taking

This will trigger some Reco output change so can be discussed at the next opportunity in some Reco meeting. FYI @christos @dshope @jmasik

FYI @goetz @ncalace @mvessell @rgarg