refactor: Improve branch structure

src/output/details.rs

@@ -492,12 +492,6 @@ impl<'a> Iterator for TableIter<'a> {
                 cell.push(self.tree_style.paint(tree_part.ascii_art()), 4);
             }
 
-            // If any tree characters have been printed, then add an extra
-            // space, which makes the output look much better.
-            if !row.tree.is_at_root() {
-                cell.add_spaces(1);
-            }
-
             cell.append(row.name);
             cell
         })
@@ -521,12 +515,6 @@ impl Iterator for Iter {
                 cell.push(self.tree_style.paint(tree_part.ascii_art()), 4);
             }
 
-            // If any tree characters have been printed, then add an extra
-            // space, which makes the output look much better.
-            if !row.tree.is_at_root() {
-                cell.add_spaces(1);
-            }
-
             cell.append(row.name);
             cell
         })

src/output/tree.rs

@@ -59,10 +59,10 @@ impl TreePart {
     pub fn ascii_art(self) -> &'static str {
         #[rustfmt::skip]
         return match self {
-            Self::Edge    => "├──",
-            Self::Line    => "│  ",
-            Self::Corner  => "└──",
-            Self::Blank   => "   ",
+            Self::Edge    => "├── ",
+            Self::Line    => "│   ",
+            Self::Corner  => "└── ",
+            Self::Blank   => "    ",
         };
     }
 }
@@ -143,10 +143,6 @@ impl TreeParams {
     pub fn new(depth: TreeDepth, last: bool) -> Self {
         Self { depth, last }
     }
-
-    pub fn is_at_root(&self) -> bool {
-        self.depth.0 == 0
-    }
 }
 
 impl TreeDepth {