various ui fixes

Author: nkanaev

doc/todo.txt

@@ -281,7 +281,7 @@
                        class="selectgroup">
                     <input type="radio" name="item" :value="item.id" v-model="itemSelected">
                     <div class="selectgroup-label d-flex flex-column">
-                        <div style="line-height: 1; opacity: .7; margin-bottom: .1rem;" class="d-flex align-items-center">
+                        <div style="line-height: 100%; opacity: .7; margin-bottom: .1rem;" class="d-flex align-items-center">
                             <transition name="indicator">
                                 <span class="icon icon-small mr-1" v-if="item.status=='unread'">{% inline "circle-full.svg" %}</span>
                                 <span class="icon icon-small mr-1" v-if="item.status=='starred'">{% inline "star-full.svg" %}</span>

doc/samples.yml etc/samples.ymldoc/samples.yml renamed to etc/samples.yml

@@ -783,7 +783,9 @@ var vm = new Vue({
         .map((folder) => {
           if (this.mustHideFolder(folder)) return []
           const folds = folder.id ? [`folder:${folder.id}`] : []
-          const feeds = (folder.is_expanded || !folder.id) ? folder.feeds.filter(f => !vm.mustHideFeed(f)).map(f => `feed:${f.id}`) : []
+          const feeds = (folder.is_expanded || !folder.id)
+            ? (folder.feeds || []).filter(f => !vm.mustHideFeed(f)).map(f => `feed:${f.id}`)
+            : []
           return folds.concat(feeds)
         })
         .flat()