configuration: use standard QQC2 import name

GIT_SILENT

desktoppackage/contents/configuration/ConfigurationContainmentActions.qml

@@ -5,7 +5,7 @@
 */
 
 import QtQuick 2.0
-import QtQuick.Controls 2.3 as QtControls
+import QtQuick.Controls 2.3 as QQC2
 import QtQuick.Layouts 1.0
 
 Item {
@@ -82,7 +82,7 @@ Item {
         Repeater {
             model: configDialog.currentContainmentActionsModel
 
-            QtControls.ComboBox {
+            QQC2.ComboBox {
                 id: pluginsCombo
                 // "index" argument of onActivated shadows the model index
                 readonly property int pluginIndex: index
@@ -124,7 +124,7 @@ Item {
                 Layout.column: 2
                 Layout.row: index
 
-                QtControls.Button {
+                QQC2.Button {
                     icon.name: "configure"
                     width: height
                     enabled: model.hasConfigurationInterface
@@ -132,14 +132,14 @@ Item {
                         configDialog.currentContainmentActionsModel.showConfiguration(index, this);
                     }
                 }
-                QtControls.Button {
+                QQC2.Button {
                     icon.name: "dialog-information"
                     width: height
                     onClicked: {
                         configDialog.currentContainmentActionsModel.showAbout(index, this);
                     }
                 }
-                QtControls.Button {
+                QQC2.Button {
                     icon.name: "list-remove"
                     width: height
                     onClicked: {

desktoppackage/contents/configuration/ConfigurationContainmentAppearance.qml

@@ -6,7 +6,7 @@
 
 import QtQuick 2.0
 import org.kde.plasma.configuration 2.0
-import QtQuick.Controls 2.3 as QtControls
+import QtQuick.Controls 2.3 as QQC2
 import QtQuick.Layouts 1.1
 import QtQml 2.15
 
@@ -77,7 +77,7 @@ AbstractKCM {
             id: parentLayout // needed for twinFormLayouts to work in wallpaper plugins
             twinFormLayouts: main.currentItem.formLayout
             Layout.fillWidth: true
-            QtControls.ComboBox {
+            QQC2.ComboBox {
                 id: pluginComboBox
                 Layout.preferredWidth: Math.max(implicitWidth, wallpaperComboBox.implicitWidth)
                 Kirigami.FormData.label: i18nd("plasma_shell_org.kde.plasma.desktop", "Layout:")
@@ -96,7 +96,7 @@ AbstractKCM {
                 Layout.fillWidth: true
                 visible: !switchContainmentWarning.visible
                 Kirigami.FormData.label: i18nd("plasma_shell_org.kde.plasma.desktop", "Wallpaper type:")
-                QtControls.ComboBox {
+                QQC2.ComboBox {
                     id: wallpaperComboBox
                     Layout.preferredWidth: Math.max(implicitWidth, pluginComboBox.implicitWidth)
                     model: configDialog.wallpaperConfigModel
@@ -122,13 +122,13 @@ AbstractKCM {
             id: switchContainmentWarning
             Layout.fillWidth: true
             visible: configDialog.containmentPlugin !== root.containmentPlugin
-            QtControls.Label {
+            QQC2.Label {
                 Layout.fillWidth: true
                 text: i18nd("plasma_shell_org.kde.plasma.desktop", "Layout changes must be applied before other changes can be made")
                 wrapMode: Text.Wrap
                 horizontalAlignment: Text.AlignHCenter
             }
-            QtControls.Button {
+            QQC2.Button {
                 Layout.alignment: Qt.AlignHCenter
                 text: i18nd("plasma_shell_org.kde.plasma.desktop", "Apply now")
                 onClicked: saveConfig()
@@ -151,7 +151,7 @@ AbstractKCM {
             id: emptyConfig
         }
 
-        QtControls.StackView {
+        QQC2.StackView {
             id: main
 
             Layout.fillHeight: true;

desktoppackage/contents/configuration/ConfigurationKcmPage.qml

@@ -7,7 +7,7 @@
 */
 
 import QtQuick 2.6
-import QtQuick.Controls 2.2 as Controls
+import QtQuick.Controls 2.2 as QQC2
 import org.kde.kirigami 2.5 as Kirigami
 
 Kirigami.Page {

desktoppackage/contents/configuration/ConfigurationShortcuts.qml

@@ -5,7 +5,7 @@
 */
 
 import QtQuick 2.0
-import QtQuick.Controls 2.3 as QtControls
+import QtQuick.Controls 2.3 as QQC2
 import QtQuick.Layouts 1.0
 import org.kde.kquickcontrols 2.0
 import org.kde.kirigami 2.14 as Kirigami
@@ -21,7 +21,7 @@ Kirigami.ScrollablePage {
     }
 
     ColumnLayout {
-        QtControls.Label {
+        QQC2.Label {
             Layout.fillWidth: true
             text: i18nd("plasma_shell_org.kde.plasma.desktop", "This shortcut will activate the applet as though it had been clicked.")
             wrapMode: Text.WordWrap

desktoppackage/contents/configuration/MouseEventInputButton.qml

@@ -5,12 +5,12 @@
 */
 
 import QtQuick 2.0
-import QtQuick.Controls 2.3 as QtControls
+import QtQuick.Controls 2.3 as QQC2
 import QtQuick.Layouts 1.0
 import org.kde.plasma.core 2.0 as PlasmaCore
 
 
-QtControls.Button {
+QQC2.Button {
     id: mouseInputButton
     property string defaultText: i18nd("plasma_shell_org.kde.plasma.desktop", "Add Action")
     text: defaultText