fix: fix race condition when slideshow is in autostart mode

Given `setViewFromQueryString` is now async, the slideshow may start
before it is run and thus it has called `initCaptionBar`, so let's
call it directly (and it's not linked to query string, so…)

umap/static/umap/js/umap.js

@@ -187,6 +187,7 @@ U.Map = L.Map.extend({
     }
 
     this.initShortcuts()
+    if (!this.options.noControl) this.initCaptionBar()
     this.onceDataLoaded(this.setViewFromQueryString)
 
     window.onbeforeunload = () => (this.editEnabled && this.isDirty) || null
@@ -303,7 +304,6 @@ U.Map = L.Map.extend({
 
   setViewFromQueryString: async function () {
     if (this.options.noControl) return
-    this.initCaptionBar()
     if (L.Util.queryString('share')) {
       this.share.open()
     } else if (this.options.onLoadPanel === 'databrowser') {