Misc dev + CS2 update fixes

[Vauff]

• Removed the KeyValues map config auto-converter, by this point all servers should have had their KV configs auto-converted to JSON
• Removed leftover patch
• Refactored timer system
  • Switched to smart pointers
  • Moved timer storage to std container
  • Introduced timer flags, to replace map/round change preservation variables
  • Privated internal stuff, all public methods are now fully usable
  • New Create() function for creating timers, returns a weak_ptr that can be stored
  • Use lock() to get a usable shared pointer from the weak pointer, when used from a stored variable then you first must check timer exists with expired(), also never store the shared pointer
  • Execute() can now be manually called at any point to force an early timer execution
  • New Cancel() function for forcing an early timer cancellation
  • GetInterval(), GetLastExecute(), don't know if these will have a use case, but they're needed for timer system & were safe to expose
• Removed custom ZR regen timers, since new timer system can now handle this use case
• Replaced unnecessary CUtlString usage in weapon info lookup with std functions
• Migrated map system CUtlQueue usage to std::deque
• Switched to using smart pointers for storing commands
• Cleaned up all extern usage into their respective headers only
• Added automatic reloading of map config at map change if edits were made
• Added proper handling for some weird Steam "rate limiting" in map system downloads
• Refactored most map access to be object oriented
  • We were previously passing/storing map list indexes everywhere, but now using CMap smart pointers
  • This was an overdue change as we have already been dealing with maps not on the map list in certain contexts, and handling it was getting a bit messy
  • Votes themselves still always need to work with indexes, however further migration work should still be possible for nomination storage later
• Fixed map names that appeared in other map names being unselectable, e.g. ze_pools_p couldn't be nominated due to ze_pools_part2
• Migrated saved cooldowns storage to JSON
  • After updating, cooldowns.txt will be auto-converted to cooldowns.jsonc
• Workshop ID's passed to !map & !setnextmap are now validated through Steam API to ensure they're valid, to avoid map download crashes
• !map, !setnextmap, & !nextmap now show the workshop addon title when map is set via workshop ID
• Fixed jump bug when subtick movement was disabled and other subtick input(s) were pressed at the same time
• Started teleporting flashlight for every toggle, this means any angle breakage is now isolated to each toggle rather than entire rounds
• Added c_rcon server output redirection to client console
• Fixed timing of map vote end detection
• Reset default ZR class scales to 1.0x, since custom values now act pretty weird post-AG2 update, not really good defaults anymore
• Updated gamedata for 2025-09-16 & 2025-09-17 CS2 updates
• Updated SDK for 2025-09-16 CS2 update

Known issues:

• CServerSideClient virtual functions shifted and broke, at least SetClientName
• Windows movement unlocker patch is broken and needs reworking, compiler fucked with the jump instruction