fix(ui): remove default list-style bullets from TreeView ul elements

src/ScadaLink.CentralUI/Components/Shared/TreeView.razor

@@ -11,7 +11,7 @@
 }
 else
 {
-    <ul role="tree" class="tv-root @(ShowGuideLines ? "tv-guides" : "")">
+    <ul role="tree" class="tv-root @(ShowGuideLines ? "tv-guides" : "")" style="list-style:none;padding-left:0;margin:0;">
         @foreach (var item in _items)
         {
             RenderNode(item, 0);
@@ -53,7 +53,7 @@ else
             </div>
             @if (isBranch && isExpanded && children is { Count: > 0 })
             {
-                <ul role="group">
+                <ul role="group" style="list-style:none;padding-left:0;margin:0;">
                     @foreach (var child in children)
                     {
                         RenderNode(child, depth + 1);