Remove initialization where bitfields are used

bitfields with initialization are c++20 only and don't work with
commonly used gcc versions yet

kcms/lookandfeel/lookandfeelmanager.cpp

@@ -27,6 +27,19 @@
 LookAndFeelManager::LookAndFeelManager(QObject *parent)
     : QObject(parent)
     , m_data(new LookAndFeelData(this))
+    , m_applyColors(true)
+    , m_applyWidgetStyle(true)
+    , m_applyIcons(true)
+    , m_applyPlasmaTheme(true)
+    , m_applyCursors(true)
+    , m_applyWindowSwitcher(true)
+    , m_applyDesktopSwitcher(true)
+    , m_applyWindowPlacement(true)
+    , m_applyShellPackage(true)
+    , m_resetDefaultLayout(false)
+    , m_applyLatteLayout(false)
+    , m_applyWindowDecoration(true)
+    , m_plasmashellChanged(false)
 {
     m_applyLatteLayout = (KService::serviceByDesktopName("org.kde.latte-dock") != nullptr);
 }

kcms/lookandfeel/lookandfeelmanager.h

@@ -93,20 +93,20 @@ private:
     QStringList m_cursorSearchPaths;
     LookAndFeelData *const m_data;
     Mode m_mode = Mode::Apply;
-    bool m_applyColors : 1 = true;
-    bool m_applyWidgetStyle : 1 = true;
-    bool m_applyIcons : 1 = true;
-    bool m_applyPlasmaTheme : 1 = true;
-    bool m_applyCursors : 1 = true;
-    bool m_applyWindowSwitcher : 1 = true;
-    bool m_applyDesktopSwitcher : 1 = true;
-    bool m_applyWindowPlacement : 1 = true;
-    bool m_applyShellPackage : 1 = true;
-    bool m_resetDefaultLayout : 1 = false;
-    bool m_applyLatteLayout : 1 = false;
-    bool m_applyWindowDecoration : 1 = true;
-
-    bool m_plasmashellChanged = false;
+    bool m_applyColors : 1;
+    bool m_applyWidgetStyle : 1;
+    bool m_applyIcons : 1;
+    bool m_applyPlasmaTheme : 1;
+    bool m_applyCursors : 1;
+    bool m_applyWindowSwitcher : 1;
+    bool m_applyDesktopSwitcher : 1;
+    bool m_applyWindowPlacement : 1;
+    bool m_applyShellPackage : 1;
+    bool m_resetDefaultLayout : 1;
+    bool m_applyLatteLayout : 1;
+    bool m_applyWindowDecoration : 1;
+
+    bool m_plasmashellChanged : 1;
 };
 
 #endif // LOOKANDFEELMANAGER_H