BZ1045423 - Guided Rule Editor: Add support for using formulas\expressions in ActionCallMethodWidget
(cherry picked from commit 8cf783b51ab04bf6b411cd31707bf471c243d36c)
BZ1045423 - Guided Rule Editor: Add support for using formulas\expressions in ActionCallMethodWidget. Fix failing test
(cherry picked from commit 4cb433782ea8d07aae8a2b4e4a9bc140592bba2e)