Impossible to edit validation script of dynamic attribute

[maistrenkoIulia]

Jmix version: 1.0.0-SNAPSHOT
Jmix Studio plugin version: 1.0.SNAPSHOT2639-202
IntelliJ version: IntelliJ IDEA 2020.3.2 (Community Edition)

TC:
dymanic attributes> create category>create attribute
set validation script = if (!value.startsWith("correctValue")) return "the value '\${value}' is incorrect"
OK>apply changes
edit category>attribute >change validation script = if (value.startsWith("c")) return "the value '\${value}' is incorrect"
OK>apply changes
View attribute
ER: validation script = if (value.startsWith("c")) return "the value '\${value}' is incorrect"
AR: validation script = if (!value.startsWith("correctValue")) return "the value '\${value}' is incorrect"