• Add pg_wait_sampling in the config extension list (Julien Rouhaud, thanks
  to Adrien Nayrat for the report)
• Don't try to detect if a hypotetical index would be used if no suitable
  index is detected (Julien Rouhaud, thanks to Guillaume Lelarge for the
  report)
• Fix lost filter when changing the time range (Pierre Giraud, thanks to Marc
  Cousin for the report)
• Fix database wizard query validation for pg11+ (Julien Rouhaud)
• Handle hypopg unsupported access methods in dataabase wizard (Julien
  Rouhaud, thanks to Adrien Di Mascio for the report)
• Fix compatibility with SQLAlchemy 1.3+ (Julien Rouhaud, thanks to github
  user mchubby and irc user ChOcO-Bn for the report)
• Fix query detail if no data is found on the selected range (Julien Rouhaud,
  thanks to irc user ChOcO-Bn for the report)
• Fix some metrics in wait events and general query datasources (Julien
  Rouhaud, thanks to Adrien Nayrat for the report)