Fix flickering image during resize on chat information page

qml/components/ProfileThumbnail.qml

@@ -29,6 +29,7 @@ Item {
     property string replacementStringHint: "X"
     property int radius: width / 2
     property int imageStatus: -1
+    property bool optimizeImageSize: true
 
     function getReplacementString() {
         if (replacementStringHint.length > 2) {
@@ -67,8 +68,8 @@ Item {
                 height: width
                 anchors.centerIn: parent
                 source: file.path
-                sourceSize.width: width
-                sourceSize.height: height
+                sourceSize.width: optimizeImageSize ? width : undefined
+                sourceSize.height: optimizeImageSize ? height : undefined
                 fillMode: Image.PreserveAspectCrop
                 autoTransform: true
                 asynchronous: true

qml/components/chatInformationPage/ChatInformationProfilePicture.qml

@@ -32,6 +32,7 @@ Item {
         photoData: (typeof chatInformation.photo !== "undefined") ? chatInformation.photo.big : ""
         replacementStringHint: ""
         radius: chatPictureThumbnail.radius
+        optimizeImageSize: false
     }
 
     MouseArea {

qml/pages/ChatInformationPage.qml

@@ -260,6 +260,7 @@ Page {
                     height: width
                     radius: imageContainer.minDimension / 2
                     opacity: profilePictureLoader.status !== Loader.Ready || profilePictureLoader.item.opacity < 1 ? 1.0 : 0.0
+                    optimizeImageSize: false
                 }
                 Loader {
                     id: profilePictureLoader