Porting from TC

[Helias]

I didn't check recently but I am saving the list of possible TODOs from https://github.com/azerothcore/azerothcore-wotlk/issues/1141

Not classified:

• [ ] https://github.com/TrinityCore/TrinityCore/commit/59db2eeea0a35028779fd76372ae06cc98c8086f Dynamic respawn NPC / GOB but there are MORE COMMITS fixing this feature on TC
• [x] https://github.com/TrinityCore/TrinityCore/commit/dae3ae069651ed3f35f975091af59a33181ef0e0 On first login - Styx merged it without any problem
• [x] https://github.com/TrinityCore/TrinityCore/commit/508c9d2fc1b20dc2cb40df533e823e1dfe2becc3 Better addon communication
• [x] https://github.com/TrinityCore/TrinityCore/commit/ce947814c6fa2c32c0908f1e7088ce971f74d365 https://github.com/azerothcore/azerothcore-wotlk/issues/1506

IMPORTANT:

may some of these are not useful anymore, we need to check, may @UltraNix already worked on some of them?

• [ ] https://github.com/TrinityCore/TrinityCore/pull/18771 SEEMS RATHER IMPORTANT (prob hard)
• [x] https://github.com/TrinityCore/TrinityCore/pull/19914
• [ ] https://github.com/TrinityCore/TrinityCore/pull/19767/files
• [ ] https://github.com/TrinityCore/TrinityCore/pull/21282/ Core/Creature: implement automatic distance correction for melee combat
• [ ] https://github.com/TrinityCore/TrinityCore/pull/18128 Core/Movement: Using player position extrapolation to smooth range checks
• [x] https://github.com/TrinityCore/TrinityCore/pull/21193 Core/Movement: Correct the allowed distance to target before a repositioning is necessary.
• [ ] https://github.com/TrinityCore/TrinityCore/pull/23864 NPC movement: implement smooth waypoint transition

MINOR - EASY TO ADD:

• [x] https://github.com/TrinityCore/TrinityCore/pull/20305/commits/6b226cf735e23bdb40c2dcaba644e0ebbb620cb2
• [x] https://github.com/TrinityCore/TrinityCore/commit/132538db1dfb3c495294eeb5acfead59dea02b5c Better grouphandling - Modify group invite behavior while creating group to be blizzlike

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[Winfidonarleyan]

• https://github.com/TrinityCore/TrinityCore/commit/ce947814c6fa2c32c0908f1e7088ce971f74d365 (Already have)