Need to be able to exclude multiple directories via REMOVE_OLD_MODS_EXCLUDE

[itzg]

Describe the problem

See https://discord.com/channels/660567679458869252/660569641550217327/996091587887112342

Container definition

FORCE_REDOWNLOAD: "true"
FORCE_WORLD_COPY: "false"
GUI: "false"
OVERRIDE_OPS: "true"
OVERRIDE_SERVER_PROPERTIES: "true"
OVERRIDE_WHITELIST: "true"
REMOVE_OLD_MODS: "true"
REMOVE_OLD_MODS_EXCLUDE: "Essentials"
REPLACE_ENV_DURING_SYNC: "true"
SYNC_SKIP_NEWER_IN_DESTINATION: "true"
TYPE: "PAPER"
ALLOW_FLIGHT: "false"
ALLOW_NETHER: "false"
ANNOUNCE_PLAYER_ACHIEVEMENTS: "false"
DIFFICULTY: "normal"
ENABLE_COMMAND_BLOCK: "false"
ENABLE_WHITELIST: "false"
FORCE_GAMEMODE: "true"
GENERATE_STRUCTURES: "false"
HARDCORE: "false"
MAX_PLAYERS: 100
MAX_TICK_TIME: -1
MODE: "survival"
ONLINE_MODE: "false"
PLAYER_IDLE_TIMEOUT: 10
PREVENT_PROXY_CONNECTIONS: "true"
PVP: "true"
SPAWN_ANIMALS: "true"
SPAWN_MONSTERS: "true"
SPAWN_NPCS: "true"
SPAWN_PROTECTION: 0
VIEW_DISTANCE: 10

Container logs

n/a