//! Editable composer draft state kept separate from composer control flow.use std::cell::RefCell;use std::collections::HashMap;use crate::bottom_pane::MentionBinding;use crate::bottom_pane::paste_burst::PasteBurst;use crate::bottom_pane::textarea::TextArea;use crate::bottom_pane::textarea::TextAreaState;pub(super) struct DraftState {    pub(super) textarea: TextArea,    pub(super) textarea_state: RefCell<TextAreaState>,    pub(super) is_bash_mode: bool,    pub(super) pending_pastes: Vec<(String, String)>,    pub(super) input_enabled: bool,    pub(super) input_disabled_placeholder: Option<String>,    pub(super) paste_burst: PasteBurst,    pub(super) disable_paste_burst: bool,    pub(super) mention_bindings: HashMap<u64, ComposerMentionBinding>,    pub(super) recent_submission_mention_bindings: Vec<MentionBinding>,}impl DraftState {    pub(super) fn new() -> Self {        Self {            textarea: TextArea::new(),            textarea_state: RefCell::new(TextAreaState::default()),            is_bash_mode: false,            pending_pastes: Vec::new(),            input_enabled: true,            input_disabled_placeholder: None,            paste_burst: PasteBurst::default(),            disable_paste_burst: false,            mention_bindings: HashMap::new(),            recent_submission_mention_bindings: Vec::new(),        }    }}#[derive(Clone, Debug)]pub(super) struct ComposerMentionBinding {    pub(super) sigil: char,    pub(super) mention: String,    pub(super) path: String,}