fix: fix handle being to ugly and channel list interfering with handle

ui/app/AppLayouts/Chat/ContactsColumn/Channel.qml

@@ -15,11 +15,8 @@ Rectangle {
     id: wrapper
     color: ListView.isCurrentItem ? Theme.lightBlue : Theme.transparent
     anchors.right: parent.right
-    anchors.rightMargin: Theme.padding
     anchors.top: applicationWindow.top
-    anchors.topMargin: 0
     anchors.left: parent.left
-    anchors.leftMargin: Theme.padding
     radius: 8
     // Hide the box if it is filtered out
     property bool isVisible: searchStr == "" || name.includes(searchStr)

ui/app/AppLayouts/Chat/ContactsColumn/ChannelList.qml

@@ -14,7 +14,12 @@ Item {
 
     ListView {
         id: chatGroupsListView
-        anchors.fill: parent
+        anchors.top: parent.top
+        anchors.bottom: parent.bottom
+        anchors.right: parent.right
+        anchors.left: parent.left
+        anchors.rightMargin: Theme.padding
+        anchors.leftMargin: Theme.padding
         model: chatsModel.chats
         delegate: Channel {
             name: model.name

ui/shared/SplitViewHandle.qml

@@ -3,8 +3,7 @@ import QtQuick.Controls 2.13
 import "../imports"
 
 Rectangle {
-    // FIXME setting this 1 is prettier, but makes the handle complety unusable (too small to grab)
-    implicitWidth: 2
+    implicitWidth: 1.2
     color: SplitHandle.pressed ? Theme.darkGrey
                 : (SplitHandle.hovered ? Qt.darker(Theme.grey, 1.1) : Theme.grey)
 }