passing --build-embed sets the result to NULL, not true (and not false, like for options that are not passed)

Author: henderkes

src/SPC/command/BuildPHPCommand.php

@@ -295,6 +295,7 @@ private function parseRules(array $shared_extensions = []): int
         $rule |= ($this->getOption('build-micro') ? BUILD_TARGET_MICRO : BUILD_TARGET_NONE);
         $rule |= ($this->getOption('build-fpm') ? BUILD_TARGET_FPM : BUILD_TARGET_NONE);
         $embed = $this->getOption('build-embed');
+        $embed = $embed === null ? true : $embed;
         if (!$embed && !empty($shared_extensions)) {
             $embed = true;
         }