[source] Do not trigger error_trap on zero exit status
[source] Do not trigger error_trap on zero exit status

[skip ci]
Allow the source install to exit successfully when
`exit 0` is called

indeedops/dd-agent,cberry777/dd-agent,lookout/dd-agent,cberry777/dd-agent,pmav99/praktoras,indeedops/dd-agent,manolama/dd-agent,tebriel/dd-agent,tebriel/dd-agent,pmav99/praktoras,brettlangdon/dd-agent,Wattpad/dd-agent,takus/dd-agent,gphat/dd-agent,c960657/dd-agent,cberry777/dd-agent,Wattpad/dd-agent,cberry777/dd-agent,indeedops/dd-agent,brettlangdon/dd-agent,c960657/dd-agent,Wattpad/dd-agent,lookout/dd-agent,jyogi/purvar-agent,pmav99/praktoras,takus/dd-agent,jyogi/purvar-agent,takus/dd-agent,brettlangdon/dd-agent,brettlangdon/dd-agent,indeedops/dd-agent,Wattpad/dd-agent,c960657/dd-agent,lookout/dd-agent,jyogi/purvar-agent,manolama/dd-agent,brettlangdon/dd-agent,tebriel/dd-agent,tebriel/dd-agent,manolama/dd-agent,c960657/dd-agent,cberry777/dd-agent,takus/dd-agent,gphat/dd-agent,c960657/dd-agent,gphat/dd-agent,gphat/dd-agent,manolama/dd-agent,jyogi/purvar-agent,pmav99/praktoras,jyogi/purvar-agent,indeedops/dd-agent,pmav99/praktoras,Wattpad/dd-agent,lookout/dd-agent,gphat/dd-agent,takus/dd-agent,lookout/dd-agent,tebriel/dd-agent,manolama/dd-agent