style: fix standard rubocop offenses in data_table components

Use anonymous block forwarding (&) and tr instead of gsub.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: djalmaaraujo

lib/ruby_ui/data_table/data_table.rb

@@ -7,8 +7,8 @@ def initialize(src: nil, **attrs)
       super(**attrs)
     end
 
-    def view_template(&block)
-      div(**attrs, &block)
+    def view_template(&)
+      div(**attrs, &)
     end
 
     private

lib/ruby_ui/data_table/data_table_content.rb

@@ -7,8 +7,8 @@ def initialize(frame_id: "data_table_content", **attrs)
       super(**attrs)
     end
 
-    def view_template(&block)
-      div(id: @frame_id, **attrs, &block)
+    def view_template(&)
+      div(id: @frame_id, **attrs, &)
     end
 
     private

lib/ruby_ui/data_table/data_table_sortable_header.rb

@@ -4,7 +4,7 @@ module RubyUI
   class DataTableSortableHeader < Base
     def initialize(column:, label: nil, direction: nil, **attrs)
       @column = column
-      @label = label || column.to_s.gsub("_", " ").capitalize
+      @label = label || column.to_s.tr("_", " ").capitalize
       @direction = direction # nil, "asc", or "desc"
       super(**attrs)
     end

lib/ruby_ui/data_table/data_table_toolbar.rb

@@ -2,8 +2,8 @@
 
 module RubyUI
   class DataTableToolbar < Base
-    def view_template(&block)
-      div(**attrs, &block)
+    def view_template(&)
+      div(**attrs, &)
     end
 
     private