Fix request for empty image

resources/qml/Avatar.qml

@@ -57,7 +57,9 @@ AbstractButton {
         fillMode: avatar.crop ? Image.PreserveAspectCrop : Image.PreserveAspectFit
         mipmap: true
         smooth: true
-        source: if (avatar.url.startsWith('image://')) {
+        source: if (avatar.url.startsWith('image://colorimage')) {
+            return avatar.url + "&radius=" + (Settings.avatarCircles ? 100 : 25) + ((avatar.crop) ? "" : "&scale");
+        } else if (avatar.url.startsWith('image://')) {
             return avatar.url + "?radius=" + (Settings.avatarCircles ? 100 : 25) + ((avatar.crop) ? "" : "&scale");
         } else if (avatar.url.startsWith(':/')) {
             return "image://colorimage/" + avatar.url + "?" + textColor;

resources/qml/CommunitiesList.qml

@@ -146,8 +146,10 @@ Page {
                     url: {
                         if (model.avatarUrl.startsWith("mxc://"))
                             return model.avatarUrl.replace("mxc://", "image://MxcImage/");
-                        else
+                        else if (model.avatarUrl.length > 0)
                             return "image://colorimage/" + model.avatarUrl + "?" + communityItem.unimportantText;
+                        else
+                            return "";
                     }
                     width: avatarSize
 

resources/qml/QuickSwitcher.qml

@@ -41,7 +41,7 @@ Popup {
             font.pixelSize: Math.ceil(quickSwitcher.textHeight * 0.6)
             width: parent.width
 
-            Keys.onPressed: (event) => {
+            Keys.onPressed: event => {
                 if (event.key == Qt.Key_Up || event.key == Qt.Key_Backtab) {
                     event.accepted = true;
                     completerPopup.up();

resources/qml/RoomList.qml

@@ -568,8 +568,8 @@ Page {
                         spacing: Nheko.paddingSmall
 
                         Item {
-                            Layout.fillWidth: true
                             Layout.alignment: Qt.AlignBottom
+                            Layout.fillWidth: true
 
                             ElidedLabel {
                                 anchors.bottom: parent.bottom