[META] Telemetry follow-up issues

[jenlampton]

This issue is a follow-up to #285 where Telemetry module was added to core. 🎉

Things we should still do:

• Enable telemetry module on new installs #5253 | Enable telemetry module on new installs (1.21)
• Enable telemetry module on new installs #5253 | Add easy opt-out to disable telemetry module
• Enable telemetry module on new installs #5253 | Add Admin Dashboard block to telemetry module
• Add checkbox to enable Telemetry module to the installer

Additional Metrics we should be collecting:

• [DX] Collect Telemetry data on Web Server. #5423 | Web Server Type
• [DX] Telemetry: Capture Backdrop version(s) and if upgraded from Drupal #4533 | Initial version of Backdrop when it is being installed (needed for Create option to add a supplemental stylesheet to Basis - to safely make css updates #4512 )
• Whether the site was a previous D6/7 upgrade
• Telemetry: Gather data to determine if multisites are popular or not #3206 | Multisite or not (needed for Ship with a /profiles folder out of the box #3205)
• Telemetry: Collect language-related metrics #5184 | Multilingual or not (how many/which languages are enabled, which one is set as the default)
• Added: Collect the name of the installation profile for Telemetry module. #5187 | Name of Install profile in use (needed for Ship with a /profiles folder out of the box #3205)
• Telemetry: Gather data re enabled/default/admin themes #5186 | enabled/admin/default theme (needed for [UX] Make only one theme "active" at a time #131)
• Number of block displays vs page displays for views (needed for Add a setting to specify which Views display(s) get created by default. #2978)
• [DX][D9] Telemetry: gather Server Timing performance metrics #5183 | [DX][D9] Telemetry: gather Server Timing performance metrics
• Site size metrics (number of user accounts, number of nodes, number of managed files etc.)
• Telemetry report: Link to the "Telemetry" tab of each project in backdropcms.org #5256 | Telemetry report: Link to the "Telemetry" tab of each project in backdropcms.org
• Track Update module usage in Telemetry #6725 | Track Update module usage in Telemetry
• enabled core modules
• enabled sub-modules (not just packages) d.o issue 1 | d.o issue2 | d.o issue 3 Needed for the following:
  • Contextual links module: Contextual links - performance issue #1409
  • Contact module: [META] Contact module improvements #3023
• Telemetry: Database prefixes #6747 | Database prefixes or not

Related issues:

• Separate checking for updates from collecting anonymous data #3168 | Separate checking for updates from collecting anonymous data