Changed the name of trackFT to trackSeed and added a proxy

Related to Rec!2524 (merged) and Moore!988 (merged)

Makes the name of the field in Downstream tracks compatible with that of Long tracks, and creates the associated proxy.

mentioned in merge request Rec!2524 (merged)

added 1 commit

• 46ef147d - Changed name of functions to match between down and long tracks

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resolved all threads

added 1 commit

• 7c725653 - Fixed formatting

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Needs to be merged with Rec!2524 (merged)

assigned to @rangel

/ci-test --merge Rec!2524 (merged)

added ci-test-triggered label

• [2021-08-30 04:16] Validation started with lhcb-master-mr#2791
• [2021-09-02 10:23] Validation started with lhcb-master-mr#2813
• [2021-09-06 11:19] Validation started with lhcb-master-mr#2837

assigned to @lohenry

mentioned in issue Moore#313 (closed)

unassigned @rangel

assigned to @acorread

/ci-test --merge Rec!2524 (merged)

mentioned in issue Rec#210

added 18 commits

• 7c725653...9ed66e46 - 16 commits from branch master
• 42b156f3 - Merge branch 'master' into lohenry-templateResidual
• 2f5c4986 - Changed trackFT to trackSeed

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mentioned in merge request Moore!988 (merged)

added 10 commits

• 2f5c4986...fdb9ebd9 - 8 commits from branch master
• 60f9a5cc - Removing unused enum
• 919f4cc8 - Merge branch 'master' into lohenry-templateResidual

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changed the description