fix: echoln and json cli pretty error

Author: inhere

src/Component/Formatter/JSONPretty.php

@@ -93,7 +93,7 @@ public function renderData(array $data): string
                 continue;
             }
 
-            [$key, $val] = explode(': ', $line);
+            [$key, $val] = explode(': ', $line, 2);
 
             // format key name.
             if ($keyTag = $this->theme['keyName']) {

src/Concern/FormatOutputAwareTrait.php

@@ -53,15 +53,15 @@ public function write($messages, $nl = true, $quit = false, array $opts = []): i
      */
     public function echo(...$args): void
     {
-        echo count($args) > 1 ? implode(' ', $args) : $args;
+        echo count($args) > 1 ? implode(' ', $args) : $args[0];
     }
 
     /**
      * @param ...$args
      */
     public function echoln(...$args): void
     {
-        echo (count($args) > 1 ? implode(' ', $args) : $args), PHP_EOL;
+        echo (count($args) > 1 ? implode(' ', $args) : $args[0]), PHP_EOL;
     }
 
     /**