Merge pull request #15115 from IgniteUI/didimmova/fix-15093

fix(tree): update checkbox spacing in tree

Author: kdinev

projects/igniteui-angular/src/lib/core/styles/components/tree/_tree-theme.scss

@@ -148,7 +148,7 @@
     ), $variant);
 
     $icon-space: map.get((
-        'material': $icon-space-default,
+        'material': $icon-space-indigo,
         'fluent': $icon-space-default,
         'bootstrap': $icon-space-default,
         'indigo': $icon-space-indigo
@@ -209,6 +209,12 @@
         margin-inline-end: $icon-space;
     }
 
+    @if $variant == 'material' {
+        %node-select {
+            margin-inline: rem(10px) rem(14px);
+        }
+    }
+
     @if $variant == 'indigo' {
         %node-select {
             margin-inline-end: rem(8px);