Make league selection mandatory for list and table

admin/post-types/event.php

@@ -77,7 +77,7 @@ function sp_event_team_meta( $post ) {
 				'post_type' => 'sp_team',
 				'name' => 'sp_team_selector',
 				'class' => 'sportspress-pages',
-				'show_option_none' => sprintf( __( 'Select %s', 'sportspress' ), 'Team' ),
+				'show_option_none' => '(' . sprintf( __( 'Select', 'sportspress' ) . ')', 'Team' ),
 				'option_none_value' => '0'
 			);
 			wp_dropdown_pages( $args );

admin/post-types/list.php

@@ -49,7 +49,6 @@ function sp_list_player_meta( $post ) {
 		<p class="sp-tab-select">
 			<?php
 			$args = array(
-				'show_option_none' =>  sprintf( __( 'Select %s', 'sportspress' ), __( 'League', 'sportspress' ) ),
 				'taxonomy' => 'sp_league',
 				'name' => 'sp_league',
 				'selected' => $league_id,

admin/post-types/table.php

@@ -47,7 +47,6 @@ function sp_table_team_meta( $post, $test ) {
 		<p class="sp-tab-select">
 			<?php
 			$args = array(
-				'show_option_none' =>  sprintf( __( 'Select %s', 'sportspress' ), __( 'League', 'sportspress' ) ),
 				'taxonomy' => 'sp_league',
 				'name' => 'sp_league',
 				'selected' => $league_id,