[cleanup] Metamodel generation

Generate metamodels after fixing the following tickets:
#470596 Add id/name to validation rule
#468753 Invalid tooltip on Edit Mask Variables
#457064 Truncated tooltip for "Associated Elements Expression" property
in the VSM

Change-Id: I2babc4f647a505199126634e05a9ed18cab09f07
Signed-off-by: Belqassim Djafer <belqassim.djafer@obeo.fr>
11 files changed