added multipart max size 50MB

application/src/main/resources/thingsboard.yml

@@ -437,6 +437,9 @@ spring.resources.chain:
     content:
       enabled: "true"
 
+spring.servlet.multipart.max-file-size: "50MB"
+spring.servlet.multipart.max-request-size: "50MB"
+
 spring.jpa.properties.hibernate.jdbc.lob.non_contextual_creation: "true"
 spring.jpa.properties.hibernate.order_by.default_null_ordering: "last"