minor symfony#26410 [WebProfilerBundle] Made the translation profiler panel more compact (javiereguiluz)

This PR was merged into the 4.1-dev branch.

Discussion
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[WebProfilerBundle] Made the translation profiler panel more compact

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

### Before

![before](https://user-images.githubusercontent.com/73419/36983246-2201e208-2092-11e8-897b-a31862a9a745.png)

### After

![after](https://user-images.githubusercontent.com/73419/36983252-26ac3df8-2092-11e8-81f4-44384cef8851.png)

Commits
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21ee76c Made the translation profiler panel more compact

Author: fabpot

src/Symfony/Bundle/WebProfilerBundle/Resources/views/Collector/translation.html.twig

@@ -68,20 +68,7 @@
 
 {% block panelContent %}
 
-    <h2>Translation Locales</h2>
-
-    <div class="metrics">
-        <div class="metric">
-            <span class="value">{{ collector.locale|default('-') }}</span>
-            <span class="label">Locale</span>
-        </div>
-        <div class="metric">
-            <span class="value">{{ collector.fallbackLocales|join(', ')|default('-') }}</span>
-            <span class="label">Fallback locales</span>
-        </div>
-    </div>
-
-    <h2>Translation Metrics</h2>
+    <h2>Translation</h2>
 
     <div class="metrics">
         <div class="metric">
@@ -98,9 +85,20 @@
             <span class="value">{{ collector.countMissings }}</span>
             <span class="label">Missing messages</span>
         </div>
+
+        <div class="metric-divider"></div>
+
+        <div class="metric">
+            <span class="value">{{ collector.locale|default('-') }}</span>
+            <span class="label">Locale</span>
+        </div>
+        <div class="metric">
+            <span class="value">{{ collector.fallbackLocales|join(', ')|default('-') }}</span>
+            <span class="label">Fallback locale{{ collector.fallbackLocales|length != 1 ? 's' }}</span>
+        </div>
     </div>
 
-    <h2>Translation Messages</h2>
+    <h2>Messages</h2>
 
     {% block messages %}