Fix logbrowser text not properly displayed

Fixes: owncloud#8168

src/gui/logbrowser.ui

@@ -61,6 +61,12 @@
    </item>
    <item>
     <widget class="QLabel" name="label">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Preferred" vsizetype="MinimumExpanding">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
      <property name="text">
       <string>The client can write debug logs to a temporary folder. These logs are very helpful for diagnosing problems.
 Since log files can get large, the client will start a new one for each sync run and compress older ones. It is also recommended to enable deleting log files after a couple of hours to avoid consuming too much disk space.</string>