Only move loading bar to top if there's a render to show

Author: Floppy

app/components/renderer.rb

@@ -14,6 +14,9 @@ def render?
 
   def before_template
     @settings = current_user&.renderer_settings || SiteSettings::UserDefaults::RENDERER
+    @loading_bar_position_classes = @file.has_render? ?
+      "btn-sm mt-3 translate-middle-x translate-top" :
+      "top-50 translate-middle"
   end
 
   def view_template
@@ -37,7 +40,7 @@ def view_template
           render_style: @settings["render_style"],
           auto_load: ((@file.size || 9_999_999.megabytes) < (@settings["auto_load_max_size"] || 9_999_999).megabytes) ? "true" : "false"
         }
-      div class: "p-0 btn btn-sm btn-secondary load-progress object-preview-progress position-absolute mt-3 start-50 translate-middle-x translate-top", role: "presentation" do
+      div class: "p-0 btn btn-secondary load-progress object-preview-progress position-absolute start-50 #{@loading_bar_position_classes}", role: "presentation" do
         div class: "progress-bar bg-info progress-bar-animated progress-bar-striped", role: "progressbar", style: "width: 0%; height: 100%",
           aria_label: "Loading progress", aria_valuenow: "0", aria_valuemin: "0", aria_valuemax: "100"
         span class: "progress-label position-absolute top-50 start-50 translate-middle", role: "button" do