Remove global service declarations and change to declarations upon usage. (#761)

* Remove global service declarations and change to declarations upon usage.

* Only load cava service if cava is enabled.

src/components/bar/modules/workspaces/workspaces.tsx

@@ -1,4 +1,3 @@
-import { hyprlandService } from 'src/lib/constants/services';
 import options from 'src/options';
 import { forceUpdater, getWorkspacesToRender, initWorkspaceEvents, workspaceRules } from './helpers';
 import { getAppIcon, getWsColor, renderClassnames, renderLabel } from './helpers/utils';
@@ -8,6 +7,7 @@ import AstalHyprland from 'gi://AstalHyprland?version=0.1';
 import { Gtk } from 'astal/gtk3';
 import { isPrimaryClick } from 'src/lib/utils';
 
+const hyprlandService = AstalHyprland.get_default();
 const {
     workspaces,
     monitorSpecific,