Refactor desktop navbar into a component, change layout to grid for

better compatibility with search field and simpler CSS

src/components/desktop_nav/desktop_nav.vue

@@ -0,0 +1,79 @@
+<template>
+  <nav
+    id="nav"
+    class="DesktopNav"
+    :class="{ '-logoLeft': logoLeft }"
+    @click="scrollToTop()"
+    >
+    <div class="inner-nav">
+      <div class="item sitename">
+        <router-link
+          v-if="!hideSitename"
+          class="site-name"
+          :to="{ name: 'root' }"
+          active-class="home"
+          >
+          {{ sitename }}
+        </router-link>
+      </div>
+      <router-link
+        class="logo"
+        :to="{ name: 'root' }"
+        :style="logoBgStyle"
+        >
+        <div
+          class="mask"
+          :style="logoMaskStyle"
+          />
+        <img
+          :src="logo"
+          :style="logoStyle"
+          >
+      </router-link>
+      <div class="item right actions">
+        <search-bar
+          v-if="currentUser || !privateMode"
+          @toggled="onSearchBarToggled"
+          @click.stop.native
+          />
+        <a
+          href="#"
+          class="nav-icon"
+          @click.stop="openSettingsModal"
+          >
+          <FAIcon
+            fixed-width
+            class="fa-scale-110 fa-old-padding"
+            icon="cog"
+            :title="$t('nav.preferences')"
+            />
+        </a>
+        <a
+          v-if="currentUser && currentUser.role === 'admin'"
+          href="/pleroma/admin/#/login-pleroma"
+          class="nav-icon"
+          target="_blank"
+          ><FAIcon
+            fixed-width
+            class="fa-scale-110 fa-old-padding"
+            icon="tachometer-alt"
+            :title="$t('nav.administration')"
+            /></a>
+        <a
+          v-if="currentUser"
+          href="#"
+          class="nav-icon"
+          @click.prevent="logout"
+          ><FAIcon
+            fixed-width
+            class="fa-scale-110 fa-old-padding"
+            icon="sign-out-alt"
+            :title="$t('login.logout')"
+            /></a>
+      </div>
+      </div>
+  </nav>
+</template>
+<script src="./desktop_nav.js"></script>
+
+<style src="./desktop_nav.scss" lang="scss"></style>