fix: Add class to shadow blocks in Geras (#9564)

* fix: Add class to shadow blocks in Geras

* chore: Remove errant logging

Author: gonfunko

core/renderers/geras/path_object.ts

@@ -81,12 +81,6 @@ export class PathObject extends BasePathObject {
   override applyColour(block: BlockSvg) {
     this.svgPathLight.style.display = '';
     this.svgPathDark.style.display = '';
-    if (!this.style.colourTertiary) {
-      throw new Error(
-        'The renderer did not properly initialize the tertiary colour of ' +
-          'the block style',
-      );
-    }
     this.svgPathLight.setAttribute('stroke', this.style.colourTertiary);
     this.svgPathDark.setAttribute('fill', this.colourDark);
 
@@ -111,17 +105,10 @@ export class PathObject extends BasePathObject {
   }
 
   override updateShadow_(shadow: boolean) {
+    super.updateShadow_(shadow);
     if (shadow) {
       this.svgPathLight.style.display = 'none';
-      if (!this.style.colourSecondary) {
-        throw new Error(
-          'The renderer did not properly initialize the secondary colour ' +
-            'of the block style block style',
-        );
-      }
       this.svgPathDark.setAttribute('fill', this.style.colourSecondary);
-      this.svgPath.setAttribute('stroke', 'none');
-      this.svgPath.setAttribute('fill', this.style.colourSecondary);
     }
   }