Merge branch 'terencehill/minigame_spectator_list' into 'master'

Refactor minigame spectator list code

See merge request xonotic/xonotic-data.pk3dir!1239

diff --cc qcsrc/common/minigames/cl_minigames.qc
Simple merge

diff --cc qcsrc/common/minigames/minigame/bd.qc
Simple merge

diff --cc qcsrc/common/minigames/minigame/c4.qc
Simple merge

diff --cc qcsrc/common/minigames/minigame/nmm.qc
Simple merge

diff --cc qcsrc/common/minigames/minigame/pong.qc
Simple merge

diff --cc qcsrc/common/minigames/minigame/pp.qc
Simple merge

diff --cc qcsrc/common/minigames/minigame/ps.qc
Simple merge