Remove - extra addClass & aria-label in appendColumnButton and restore aria-expanded="false" in clear method

client/src/entrypoints/contrib/typed_table_block/typed_table_block.js

@@ -219,6 +219,7 @@ export class TypedTableBlock {
       .text(this.blockDef.meta.strings.ADD_COLUMN)
       .removeClass('button--icon text-replace white')
       .removeAttr('aria-label')
+      .attr('aria-expanded', 'false')
       .removeAttr('title');
 
     // delete all body rows
@@ -335,8 +336,6 @@ export class TypedTableBlock {
       )
       .addClass('button--icon text-replace white')
       .attr('aria-label', this.blockDef.meta.strings.ADD_COLUMN)
-      .addClass('button--icon text-replace white')
-      .attr('aria-label', this.blockDef.meta.strings.ADD_COLUMN)
       .attr('aria-expanded', 'false')
       .attr('title', this.blockDef.meta.strings.ADD_COLUMN);