I18N: Update "Default Template" string to match the sentence case used in the block editor.

Props ramiy.
Fixes #50742.
Built from https://develop.svn.wordpress.org/trunk@48583


git-svn-id: http://core.svn.wordpress.org/trunk@48345 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/class-wp-posts-list-table.php

@@ -1721,7 +1721,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 							<?php endif; // $bulk ?>
 							<?php
 							/** This filter is documented in wp-admin/includes/meta-boxes.php */
-							$default_title = apply_filters( 'default_page_template_title', __( 'Default Template' ), 'quick-edit' );
+							$default_title = apply_filters( 'default_page_template_title', __( 'Default template' ), 'quick-edit' );
 							?>
 							<option value="default"><?php echo esc_html( $default_title ); ?></option>
 							<?php page_template_dropdown( '', $screen->post_type ); ?>

wp-admin/includes/meta-boxes.php

@@ -998,7 +998,7 @@ function page_attributes_meta_box( $post ) {
 		 * @param string $context Where the option label is displayed. Possible values
 		 *                        include 'meta-box' or 'quick-edit'.
 		 */
-		$default_title = apply_filters( 'default_page_template_title', __( 'Default Template' ), 'meta-box' );
+		$default_title = apply_filters( 'default_page_template_title', __( 'Default template' ), 'meta-box' );
 		?>
 <option value="default"><?php echo esc_html( $default_title ); ?></option>
 		<?php page_template_dropdown( $template, $post->post_type ); ?>

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.5-beta3-48582';
+$wp_version = '5.5-beta3-48583';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.