Fix empty view tab on clockwork (#1750)

Author: erikn69

src/DataCollector/CacheCollector.php

@@ -68,11 +68,7 @@ public function subscribe(Dispatcher $dispatcher)
     public function collect()
     {
         $data = parent::collect();
-        $data['nb_measures'] = count($data['measures']);
-
-        if (! $data['nb_measures']) {
-            return [];
-        }
+        $data['nb_measures'] = $data['count'] = count($data['measures']);
 
         return $data;
     }

src/DataCollector/EventCollector.php

@@ -97,11 +97,7 @@ protected function prepareParams($params)
     public function collect()
     {
         $data = parent::collect();
-        $data['nb_measures'] = count($data['measures']);
-
-        if (! $data['nb_measures']) {
-            return [];
-        }
+        $data['nb_measures'] = $data['count'] = count($data['measures']);
 
         return $data;
     }

src/DataCollector/ViewCollector.php

@@ -201,11 +201,8 @@ public function collect()
             $templates = $this->templates;
         }
 
-        if (empty($this->templates)) {
-            return [];
-        }
-
         return [
+            'count' => count($this->templates),
             'nb_templates' => count($this->templates),
             'templates' => $templates,
         ];