Handle character limit in initial state in frontend.

app/javascript/flavours/glitch/util/initial_state.js

@@ -21,7 +21,7 @@ export const favouriteModal = getMeta('favourite_modal');
 export const deleteModal = getMeta('delete_modal');
 export const me = getMeta('me');
 export const searchEnabled = getMeta('search_enabled');
-export const maxChars = (initialState && initialState.max_toot_chars) || 500;
+export const maxChars = getMeta('max_toot_chars') || 500;
 export const pollLimits = (initialState && initialState.poll_limits);
 export const invitesEnabled = getMeta('invites_enabled');
 export const version = getMeta('version');

app/javascript/mastodon/initial_state.js

@@ -12,7 +12,7 @@ export const boostModal = getMeta('boost_modal');
 export const deleteModal = getMeta('delete_modal');
 export const me = getMeta('me');
 export const searchEnabled = getMeta('search_enabled');
-export const maxChars = (initialState && initialState.max_toot_chars) || 500;
+export const maxChars = getMeta('max_toot_chars') || 500;
 export const invitesEnabled = getMeta('invites_enabled');
 export const repository = getMeta('repository');
 export const source_url = getMeta('source_url');