fix offset for transfer bar at the bottom, use async collections, clear filter on tab change + add button to clear, require ctrl for align syncshells

MareSynchronos/UI/CompactUI.cs

@@ -183,7 +183,8 @@ public class CompactUi : WindowMediatorSubscriberBase
     {
         var ySize = TransferPartHeight == 0
             ? 1
-            : (ImGui.GetWindowContentRegionMax().Y - ImGui.GetWindowContentRegionMin().Y) - TransferPartHeight - ImGui.GetCursorPosY();
+            : (ImGui.GetWindowContentRegionMax().Y - ImGui.GetWindowContentRegionMin().Y 
+                + ImGui.GetTextLineHeight() - ImGui.GetStyle().WindowBorderSize) - TransferPartHeight - ImGui.GetCursorPosY();
 
         ImGui.BeginChild("list", new Vector2(WindowContentWidth, ySize), border: false);