Fix Ctrl+C not working to copy text in console when the command input already contains text, as the changed flag was never reset properly.
Fix scroll position of UI editboxes not being updated when moving cursor without changing text.
Fix lineinput selection change being detected as content change, causing the editor modified state to be set incorrectly.
Fix cursor blinking not being disabled correctly after changing text without changing cursor position.
Now `CGameContext` no longer assumes the `IGameController`
declined the team join due to slots.
This enables custom gametypes to disallow joining the game if the player
died, an active tournament is running or the player is not logged in
yet. And then the controller can print the correct error message
accordingly.
Show localized text "Press a key…" instead of "???" while waiting for a key to be pressed.
Render button with green background while waiting for a key to be pressed.
Inline unnecessary `DoButton_KeySelect` function.
Fix names of static variables.
The variable `Id` is translated for old clients and is not guranteed to
be the real id. While `m_ClientID` is the real ID. That can also be used
to index the CServer::m_aClients[] array to get the authed state.
closed#7599
Fixes
```
valgrind ./DDNet-Server "dbg_dummies 1"
[..]
2023-12-07 18:01:33 I chat: *** 'Debug dummy 1' entered and joined the
game
==75634== Conditional jump or move depends on uninitialised value(s)
==75634== at 0x2DAA83: CVariableInt::Pack(unsigned char*, int, int)
(compression.cpp:17)
==75634== by 0x2DAD79: CVariableInt::Compress(void const*, int,
void*, int) (compression.cpp:98)
==75634== by 0x23EC50: CServer::DoSnapshot() (server.cpp:1046)
==75634== by 0x247D2D: CServer::Run() (server.cpp:2994)
==75634== by 0x230173: main (main.cpp:193)
==75634==
==75634== Conditional jump or move depends on uninitialised value(s)
==75634== at 0x2DAAF7: CVariableInt::Pack(unsigned char*, int, int)
(compression.cpp:25)
==75634== by 0x2DAD79: CVariableInt::Compress(void const*, int,
void*, int) (compression.cpp:98)
==75634== by 0x23EC50: CServer::DoSnapshot() (server.cpp:1046)
==75634== by 0x247D2D: CServer::Run() (server.cpp:2994)
==75634== by 0x230173: main (main.cpp:193)
==75634==
==75634== Conditional jump or move depends on uninitialised value(s)
==75634== at 0x2DAA83: CVariableInt::Pack(unsigned char*, int, int)
(compression.cpp:17)
==75634== by 0x32E812: CPacker::AddInt(int) (packer.cpp:20)
==75634== by 0x23ED51: CServer::DoSnapshot() (server.cpp:1059)
==75634== by 0x247D2D: CServer::Run() (server.cpp:2994)
==75634== by 0x230173: main (main.cpp:193)
==75634==
==75634== Conditional jump or move depends on uninitialised value(s)
==75634== at 0x2DAAF7: CVariableInt::Pack(unsigned char*, int, int)
(compression.cpp:25)
==75634== by 0x32E812: CPacker::AddInt(int) (packer.cpp:20)
==75634== by 0x23ED51: CServer::DoSnapshot() (server.cpp:1059)
==75634== by 0x247D2D: CServer::Run() (server.cpp:2994)
==75634== by 0x230173: main (main.cpp:193)
==75634==
```
Which is using ID 0 as index in the m_aClients array but only ID 63 was
ever initialized.