Update to Kirki 4.0.22

functions/kirki/packages/kirki-framework/field-fontawesome/LICENSE

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+MIT License
+
+Copyright (c) 2019 kirki-framework
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

functions/kirki/packages/kirki-framework/field-fontawesome/README.md

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+# control-fontawesome
+
+## Installation
+
+First, install the package using composer:
+
+```bash
+composer require kirki-framework/field-fontawesome
+```
+
+Make sure you include the autoloader:
+```php
+require_once get_parent_theme_file_path( 'vendor/autoload.php' );
+```
+
+This field creates a dropdown containing all names for the font-awesome v4.7

functions/kirki/packages/kirki-framework/field-fontawesome/src/Field/FontAwesome.php

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+<?php
+/**
+ * Override field methods.
+ *
+ * @package   kirki-framework/control-fontawesome
+ * @copyright Copyright (c) 2019, Ari Stathopoulos (@aristath)
+ * @license   https://opensource.org/licenses/MIT
+ * @since     1.0
+ */
+
+namespace Kirki\Field;
+
+use Kirki\Field\Select;
+
+/**
+ * Field overrides.
+ */
+class FontAwesome extends Select {
+
+	/**
+	 * Filter arguments before creating the control.
+	 *
+	 * @access public
+	 * @since 0.1
+	 * @param array                $args         The field arguments.
+	 * @param WP_Customize_Manager $wp_customize The customizer instance.
+	 * @return array
+	 */
+	public function filter_control_args( $args, $wp_customize ) {
+		if ( $args['settings'] === $this->args['settings'] ) {
+			$args = parent::filter_control_args( $args, $wp_customize );
+
+			ob_start();
+			include 'fontawesome.json'; // phpcs:ignore WPThemeReview.CoreFunctionality.FileInclude
+			$font_awesome_json = ob_get_clean();
+
+			$fa_array        = (array) json_decode( $font_awesome_json, true );
+			$args['choices'] = [];
+			foreach ( $fa_array['icons'] as $icon ) {
+				if ( ! isset( $icon['id'] ) || ! isset( $icon['name'] ) ) {
+					continue;
+				}
+				$args['choices'][ $icon['id'] ] = $icon['name'];
+			}
+		}
+		return $args;
+	}
+}