software/metabase: fix backup restoration

use dropdb and createdb command is a working approach to backup
restoration here
14 jobs for 1.0 in 0 seconds
Status Job ID Name Coverage
  External
failed SlapOS.SoftwareReleases.IntegrationTest-TestRunner1

06:04:52

passed SlapOS.SoftwareReleases.IntegrationTest-TestRunner1

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passed SlapOS.SoftwareReleases.IntegrationTest-TestRunner1

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passed SlapOS.SoftwareReleases.IntegrationTest-TestRunner1

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failed SlapOS.SoftwareReleases.IntegrationTest-TestRunner1

06:55:23

failed SlapOS.SoftwareReleases.IntegrationTest-TestRunner1

08:04:53

failed SlapOS.SoftwareReleases.IntegrationTest-TestRunner1

07:12:28

failed SlapOS.SoftwareReleases.IntegrationTest-TestRunner1

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passed SlapOS.SoftwareReleases.IntegrationTest-TestRunner1

06:35:44

failed SlapOS.SoftwareReleases.IntegrationTest-TestRunner1

06:15:56

failed SlapOS.SoftwareReleases.IntegrationTest-TestRunner1

07:56:20

failed SlapOS.SoftwareReleases.IntegrationTest-TestRunner1

07:37:03

failed SlapOS.SoftwareReleases.IntegrationTest-TestRunner1

07:16:17

failed SlapOS.SoftwareReleases.IntegrationTest-TestRunner1

07:17:05