Migrate to Id type

src/main.rs

@@ -23,7 +23,7 @@ use crate::data_provider::card_sets::load_sets;
 use crate::data_provider::settings::get_setting;
 use crate::data_provider::sqlite::default_connection;
 use crate::data_provider::words::{load_word_groups, load_words};
-use crate::lang::{DeckSettings, WordData, WordGroup};
+use crate::lang::{DeckSettings, Id, WordData, WordGroup};
 use crate::navigation::{AppSettings, RootMessage, ScreenState};
 use crate::quiz::*;
 use chrono::NaiveDate;
@@ -85,7 +85,7 @@ pub struct AppState {
     pub word_groups: Vec<WordGroup>,
     pub connection: Connection,
     pub sync_data: AppSettings,
-    pub activity: HashMap<u32, Vec<(NaiveDate, u32)>>,
+    pub activity: HashMap<Id, Vec<(NaiveDate, u32)>>,
 }
 
 impl Default for AppState {