Fix display of right-to-left text in timeline

Set an explicit default left alignment for label components, to prevent
other people's right-to-left names or text from messing up the UI
in a left-to-right environment.

src/gui/Base/HLabel.qml

@@ -9,10 +9,9 @@ Label {
     font.pixelSize: theme.fontSize.normal
     font.pointSize: -1
     textFormat: Label.PlainText
-
+    horizontalAlignment: Label.AlignLeft
     color: theme.colors.text
     linkColor: theme.colors.link
-
     maximumLineCount: elide === Label.ElideNone ? Number.MAX_VALUE : 1
 
     onLinkActivated: Qt.openUrlExternally(link)

src/gui/Base/HSelectableLabel.qml

@@ -22,14 +22,15 @@ TextEdit {
     font.family: theme.fontFamily.sans
     font.pixelSize: theme.fontSize.normal
     color: theme.colors.text
-
     textFormat: Label.PlainText
     tabStopDistance: 4 * 4  // 4 spaces
+    horizontalAlignment: Label.AlignLeft
 
     readOnly: true
     activeFocusOnPress: false
     focus: false
     selectByMouse: true
+
     onLinkActivated: if (enableLinkActivation) Qt.openUrlExternally(link)
 
     MouseArea {