Fix visual artifacts in new versions of QT

BUG 427923
Signed-off-by: Danila Kryukov <danila.kryukov.dev@yandex.ru>
(cherry picked from commit 7a5ab3a9)

src/qml/common/IconButton.qml

@@ -43,7 +43,7 @@ Button {
         color: buttonColorScheme.normalText
         id: content
         text: button.text
-        elide: "ElideNone"
+        elide: Text.ElideNone
 
         Behavior on color {
             ColorAnimation { duration: Units.shortDuration }
@@ -56,21 +56,22 @@ Button {
             anchors.fill: parent;
             id: bg
             color: buttonColorScheme.alternateBackground
+            visible: false
+        }
 
-            HueSaturation {
-                anchors.fill: bg
-                source: bg
-                saturation: hovered? 0.3: 0
-                lightness: hovered? -0.04: 0
-                Behavior on saturation {
-                    NumberAnimation {
-                        duration: Units.shortDuration
-                    }
+        HueSaturation {
+            anchors.fill: bg
+            source: bg
+            saturation: hovered? 0.3: 0
+            lightness: hovered? -0.04: 0
+            Behavior on saturation {
+                NumberAnimation {
+                    duration: Units.shortDuration
                 }
-                Behavior on lightness {
-                    NumberAnimation {
-                        duration: Units.shortDuration
-                    }
+            }
+            Behavior on lightness {
+                NumberAnimation {
+                    duration: Units.shortDuration
                 }
             }
         }

src/qml/common/IconToolButton.qml

@@ -40,7 +40,7 @@ ToolButton {
         id: content
         text: button.text
         color: button.colorScheme.normalText
-        elide: "ElideNone"
+        elide: Text.ElideNone
     }
 
     background: Item {

src/qml/common/MonochromeIcon.qml

@@ -15,14 +15,24 @@
  *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
+import QtQuick 2.9
 import QtGraphicalEffects 1.0
 
-Icon {
-    property color color: "#000000"
-    id: icon
+Item {
+    property alias icon: icon.icon
+    property color color : "#000000"
+    width: icon.width
+    height: icon.height
+
+    Icon {
+        id: icon
+        visible: false
+    }
+
     ColorOverlay {
-        anchors.fill: parent
+        anchors.fill: icon
         source: icon
         color: parent.color
     }
 }
+