Apply the specified roll mode to chat message data.
SoHL stores legacy roll-mode values (publicroll, gmroll, …); Foundry v14
renamed ChatMessage.applyRollMode → ChatMessage.applyMode and switched to
message-mode keys (public, gm, …), so the value is translated at this
boundary via toMessageMode.
Apply the specified roll mode to chat message data.
SoHL stores legacy roll-mode values (
publicroll,gmroll, …); Foundry v14 renamedChatMessage.applyRollMode→ChatMessage.applyModeand switched to message-mode keys (public,gm, …), so the value is translated at this boundary via toMessageMode.