Tooltip improvements (only use period for long sentences)

Modules/SettingsPanel/Bar/BarSectionEditor.qml

@@ -98,7 +98,7 @@ NBox {
         colorBgHover: Color.mSecondary
         colorFgHover: Color.mOnSecondary
         enabled: comboBox.currentKey !== ""
-        tooltipText: "Add widget to section"
+        tooltipText: "Add widget"
         Layout.alignment: Qt.AlignVCenter
         Layout.leftMargin: Style.marginS * scaling
         onClicked: {

Modules/SettingsPanel/SettingsPanel.qml

@@ -462,7 +462,7 @@ NPanel {
               // Close button
               NIconButton {
                 icon: "close"
-                tooltipText: "Close."
+                tooltipText: "Close"
                 Layout.alignment: Qt.AlignVCenter
                 onClicked: root.close()
               }

Modules/SettingsPanel/Tabs/DisplayTab.qml

@@ -125,7 +125,7 @@ ColumnLayout {
                 NIconButton {
                   icon: "refresh"
                   baseSize: Style.baseWidgetSize * 0.9
-                  tooltipText: "Reset scaling."
+                  tooltipText: "Reset scaling"
                   onClicked: ScalingService.setScreenScale(modelData, 1.0)
                   anchors.right: parent.right
                   anchors.verticalCenter: parent.verticalCenter