Add upload avatar hover overlay

Also fix name colors and always use fit-crop mode for avatars.

src/qml/Base/HAvatar.qml

@@ -16,6 +16,8 @@ HRectangle {
     property var toolTipImageUrl: imageUrl
     property alias fillMode: avatarImage.fillMode
 
+    readonly property alias hovered: hoverHandler.hovered
+
     onImageUrlChanged: if (imageUrl) { avatarImage.source = imageUrl }
 
     onToolTipImageUrlChanged: if (imageUrl) {
@@ -45,7 +47,7 @@ HRectangle {
         z: 2
         sourceSize.width: params.width
         sourceSize.height: params.height
-        fillMode: params.fillMode
+        fillMode: Image.PreserveAspectCrop
 
         HoverHandler {
             id: hoverHandler

src/qml/Base/HFileDialogOpener.qml

@@ -36,7 +36,7 @@ Item {
             )
 
         title: "Select file"
-        modality: Qt.WindowModal
+        modality: Qt.NonModal
 
         onVisibleChanged: if (visible) {
             selectedFile = Qt.binding(() => Qt.resolvedUrl(currentFile))