Make use of new colorful preferences icons in settings windows

CCBUG: 414214
CCBUG: 414215
CCBUG: 414213

src/MainWindow.cpp

@@ -773,13 +773,13 @@ void MainWindow::showSettingsDialog(const bool showProfilePage)
 
     auto *profileSettings = new ProfileSettings(confDialog);
     auto *profilePage = new KPageWidgetItem(profileSettings, profilePageName);
-    profilePage->setIcon(QIcon::fromTheme(QStringLiteral("preferences-system-profiles")));
+    profilePage->setIcon(QIcon::fromTheme(QStringLiteral("preferences-desktop-theme")));
     confDialog->addPage(profilePage, true);
     connect(confDialog, &QDialog::accepted, profileSettings, &ProfileSettings::slotAccepted);
 
     const QString tabBarPageName = i18nc("@title Preferences page name", "Tab Bar / Splitters");
     auto tabBarPage = new KPageWidgetItem(new TabBarSettings(confDialog), tabBarPageName);
-    tabBarPage->setIcon(QIcon::fromTheme(QStringLiteral("system-run")));
+    tabBarPage->setIcon(QIcon::fromTheme(QStringLiteral("preferences-tabs")));
     confDialog->addPage(tabBarPage, true);
 
     const QString temporaryFilesPageName = i18nc("@title Preferences page name", "Temporary Files");

src/widgets/EditProfileDialog.cpp

@@ -118,7 +118,7 @@ EditProfileDialog::EditProfileDialog(QWidget *parent)
     _tabsUi->setupUi(tabsPageWidget);
     auto *tabsPageItem = addPage(tabsPageWidget, tabsPageName);
     tabsPageItem->setHeader(tabsPageName);
-    tabsPageItem->setIcon(QIcon::fromTheme(QStringLiteral("tab-duplicate"), defaultIcon));
+    tabsPageItem->setIcon(QIcon::fromTheme(QStringLiteral("preferences-tabs"), defaultIcon));
     _pages[tabsPageItem] = Page(&EditProfileDialog::setupTabsPage);
 
     LabelsAligner tabsAligner(tabsPageWidget);
@@ -151,7 +151,7 @@ EditProfileDialog::EditProfileDialog(QWidget *parent)
     _scrollingUi->setupUi(scrollingPageWidget);
     auto *scrollingPageItem = addPage(scrollingPageWidget, scrollingPageName);
     scrollingPageItem->setHeader(scrollingPageName);
-    scrollingPageItem->setIcon(QIcon::fromTheme(QStringLiteral("transform-move-vertical"), defaultIcon));
+    scrollingPageItem->setIcon(QIcon::fromTheme(QStringLiteral("preferences-scroll"), defaultIcon));
     _pages[scrollingPageItem] = Page(&EditProfileDialog::setupScrollingPage);
 
     // adjust "history size" label height to match history size widget's first radio button
@@ -193,7 +193,7 @@ EditProfileDialog::EditProfileDialog(QWidget *parent)
     _advancedUi->setupUi(advancedPageWidget);
     auto *advancedPageItem = addPage(advancedPageWidget, advancedPageName);
     advancedPageItem->setHeader(advancedPageName);
-    advancedPageItem->setIcon(QIcon::fromTheme(QStringLiteral("configure"), defaultIcon));
+    advancedPageItem->setIcon(QIcon::fromTheme(QStringLiteral("preferences-other"), defaultIcon));
     _pages[advancedPageItem] = Page(&EditProfileDialog::setupAdvancedPage);
 
     // there are various setupXYZPage() methods to load the items