Use KConfig::readEntry()'s default argument properly

Summary: Follow-on patch to D7440 to use KConfig::readEntry()'s default argument properly to reduce some unnecessary code

Test Plan: Tested in KDE Neon. no regressions; by default, all plugins are enabled if the key is not set, and if it is set, user changes to the list are remembered

Reviewers: #dolphin, elvisangelaccio, dfaure, apol

Reviewed By: #dolphin, elvisangelaccio, apol

Differential Revision: https://phabricator.kde.org/D8846

1 files changed, 2 insertions, 4 deletions

diff --git a/src/settings/general/previewssettingspage.cpp b/src/settings/general/previewssettingspage.cpp
index ed0d9bd77..b88977af5 100644
--- a/src/settings/general/previewssettingspage.cpp
+++ b/src/settings/general/previewssettingspage.cpp
@@ -174,10 +174,8 @@ void PreviewsSettingsPage::loadPreviewPlugins()
 void PreviewsSettingsPage::loadSettings()
 {
     const KConfigGroup globalConfig(KSharedConfig::openConfig(), QStringLiteral("PreviewSettings"));
-    m_enabledPreviewPlugins = globalConfig.readEntry("Plugins", QStringList());
-    if (m_enabledPreviewPlugins.isEmpty()) {
-        m_enabledPreviewPlugins = KIO::PreviewJob::defaultPlugins();
-    }
+    m_enabledPreviewPlugins = globalConfig.readEntry("Plugins", KIO::PreviewJob::defaultPlugins());
+
     const qulonglong defaultRemotePreview = static_cast<qulonglong>(MaxRemotePreviewSize) * 1024 * 1024;
     const qulonglong maxRemoteByteSize = globalConfig.readEntry("MaximumRemoteSize", defaultRemotePreview);
     const int maxRemoteMByteSize = maxRemoteByteSize / (1024 * 1024);