Fix: 投稿がメディアを持っているかの判定条件で、Rubyのコードを通さないよう改善 #1658

Job	Run time
build (production)	2m 20s
build (test)	2m 35s
End to End testing (3.0)	3m 26s
End to End testing (3.1)	3m 3s
End to End testing (.ruby-version)	3m 28s
Elastic Search integration testing (3.0, docker.elastic.co/elasticsearch/elasticsearch:7.17.13)	2m 38s
Elastic Search integration testing (3.1, docker.elastic.co/elasticsearch/elasticsearch:7.17.13)	2m 44s
test (3.0)	12m 38s
Elastic Search integration testing (.ruby-version, docker.elastic.co/elasticsearch/elasticsearch:...	2m 46s
Elastic Search integration testing (.ruby-version, docker.elastic.co/elasticsearch/elasticsearch:...	3m 14s
test (3.1)	11m 26s
test (.ruby-version)	14m 8s
	1h 4m 26s

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