Fix spacing when sidepane is collapsed

TODO.md

@@ -4,6 +4,8 @@
   var by string and readonly
 - [debug mode](https://docs.python.org/3/library/asyncio-dev.html)
 - `pyotherside.atexit()`
+- way to put sidepane back to auto-sizing (snap)
+- better look for arrows when sidepane collapsed
 
 ideas
 (^/v) messages unread + messages still sending

src/qml/SidePane/RoomDelegate.qml

@@ -13,7 +13,7 @@ MouseArea {
 
     HRowLayout {
         width: parent.width
-        spacing: sidePane.normalSpacing
+        spacing: sidePane.collapsed ? 0 : sidePane.normalSpacing
 
         HAvatar {
             id: roomAvatar

src/qml/SidePane/RoomList.qml

@@ -8,7 +8,7 @@ HListView {
     property string category: ""
 
     id: roomList
-    spacing: sidePane.normalSpacing
+    spacing: sidePane.collapsed ? 0 : sidePane.normalSpacing
 
     model: SortFilterProxyModel {
         sourceModel: rooms

src/qml/SidePane/SidePane.qml

@@ -16,9 +16,9 @@ HRectangle {
             Layout.fillHeight: true
 
             spacing: collapsed ? 0 : normalSpacing * 3
-            topMargin: normalSpacing
+            topMargin: collapsed ? 0 : normalSpacing
-            bottomMargin: normalSpacing
+            bottomMargin: topMargin
-            Layout.leftMargin: normalSpacing
+            Layout.leftMargin: topMargin
 
             Behavior on spacing {
                 NumberAnimation { duration: HStyle.animationDuration }