Modernize & Tweak HltDAQ

• prefer ServiceHandle
• prefer LHCb::Algorithm over Gaudi::Functional (and, as a consequence replaee Error with MsgCounter)
• throw error in case of overlapping keys between Hlt1 and Hlt2
• prefer Propertystd::array over Propertystd::vector with check that size is always 3...
• check for valid SourceID using an update handler instead in initialize

added cleanup modernisation labels

resolved all threads

changed title from Modernzie HltDAQ to Modernize & Tweak HltDAQ

added 4 commits

• 25a621b1...cd792a4e - 3 commits from branch master
• bcdd64cf - Modernzie HltDAQ

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added 5 commits

• bcdd64cf...2cc75371 - 4 commits from branch master
• 8cd0c240 - Modernzie HltDAQ

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/ci-test --merge

assigned to @msaur

added ci-test-triggered label

• [2021-09-18 11:28] Validation started with lhcb-master-mr#2907
• [2021-09-18 15:33] Validation started with lhcb-master-mr#2910
• [2021-09-18 15:41] Validation started with lhcb-master-mr#2911
• [2021-09-19 12:56] Validation started with lhcb-master-mr#2912

added 1 commit

• f791989c - Modernize HltDAQ

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added 1 commit

• 19381868 - Modernize HltDAQ

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added 1 commit

• 82911cc0 - Modernize HltDAQ

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added 1 commit

• 912f6f5e - Modernize HltDAQ

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resolved all threads

merged

mentioned in commit 5d6343fe

unassigned @msaur

mentioned in merge request Rec!2553 (merged)

added Core Decoding labels