v2.0.0-rc15

What's Changed

• test: cover mount caching by @NB-Core in #1051
• test: cover module manager cache clearing by @NB-Core in #1050
• test: cover module reinstall cache invalidation by @NB-Core in #1053
• test: cover force uninstall cache clearing by @NB-Core in #1052
• Add coverage for system mail notifications by @NB-Core in #1054
• test: cover ModuleManager force uninstall outcomes by @NB-Core in #1055
• fix: support legacy Doctrine dbconnect config by @NB-Core in #1056
• fix: ensure Doctrine bootstrap loads legacy globals by @NB-Core in #1057
• fix: restore db prefix registration during migrations by @NB-Core in #1058
• fix: ensure installer migrations honor DB prefix by @NB-Core in #1059
• Fix Stage 6 dbconnect parsing loop to avoid false buffer values by @NB-Core in #1061
• fix: honor table prefix for doctrine migrations by @NB-Core in #1060
• fix: prevent stage6 from rewriting modern dbconnect.php by @NB-Core in #1062
• Update installer module community link by @NB-Core in #1063
• fix: drop oldcreatureexp from installer creatures by @NB-Core in #1064
• fix: guard installer seeding on existing data by @NB-Core in #1065
• fix: parameterize installer superuser creation by @NB-Core in #1066
• fix: align installer admin allowed navs default by @NB-Core in #1067

Full Changelog: v2.0.0-rc14...v2.0.0-rc15