Fix cases where widget interaction did not update item values.

Also, properly avoid updating the item during interaction (drag)
events and properly signal modification to parent view.
44 jobs for !2301 with missing-updates in 18 minutes and 48 seconds (queued for 9 seconds)
detached
Status Name Job ID Coverage
  Build
passed build:fedora31 #5187272
build cmb docker linux

00:01:56

passed build:fedora31-asan #5187280
build cmb docker linux

00:08:13

passed build:fedora31-coverage #5187283
build cmb docker linux

00:06:40

passed build:fedora31-nodata #5187278
build cmb docker linux

00:02:15

passed build:fedora31-paraview #5187277
build cmb docker linux

00:03:55

passed build:fedora31-tidy #5187282
build cmb docker linux

00:17:13

passed build:fedora31-ubsan #5187281
build cmb docker linux

00:08:32

passed build:fedora31-vtk #5187274
build cmb docker linux

00:03:30

passed build:fedora31-vtk-python2 #5187279
build cmb docker linux

00:02:13

 
  Test
passed test:fedora31 #5187284
linux x11 cmb docker

00:00:48

passed test:fedora31-asan #5187289
cmb docker linux privileged x11

00:01:23

passed test:fedora31-coverage #5187291
cmb docker linux x11

00:02:18

failed test:fedora31-nodata #5187287
cmb docker linux x11

00:05:02

failed test:fedora31-paraview #5187286
cmb docker linux x11

00:05:58

passed test:fedora31-ubsan #5187290
cmb docker linux privileged x11

00:00:49

passed test:fedora31-vtk #5187285
cmb docker linux x11

00:01:37

passed test:fedora31-vtk-python2 #5187288
cmb docker linux x11

00:02:25

 
  Analyze
passed analyze:fedora31-coverage #5187292
build cmb docker linux

00:02:08

64.07%
 
  External
passed cdash-buildbot

passed cdash-private

passed cdash-public

passed ghostflow-branch-check-master

failed smtk@master-moho-linux-shared-relwithdebinfo+examples+private+remus

pending smtk@master-norkit-osx-shared-release+examples+matplotlib
failed smtk@master-praxis-windows-shared-release

failed smtk@master-talosiv-osx-shared-release+examples+matplotlib

failed smtk@master-tatooine-osx-shared-release+examples+matplotlib

failed smtk@master-tatooine-osx-shared-release+examples+matplotlib+private

passed cdash-buildbot

passed cdash-private

passed cdash-private

passed cdash-public

passed cdash-public

passed ghostflow-branch-check-master

failed smtk@master-moho-linux-shared-relwithdebinfo+examples+private+remus

failed smtk@master-moho-linux-shared-relwithdebinfo+examples+private+remus

00:00:07

failed smtk@master-praxis-windows-shared-release

failed smtk@master-praxis-windows-shared-release

00:01:16

failed smtk@master-talosiv-osx-shared-release+examples+matplotlib

failed smtk@master-talosiv-osx-shared-release+examples+matplotlib

00:02:58

failed smtk@master-tatooine-osx-shared-release+examples+matplotlib

failed smtk@master-tatooine-osx-shared-release+examples+matplotlib

00:02:52

failed smtk@master-tatooine-osx-shared-release+examples+matplotlib+private

00:02:42

failed smtk@master-tatooine-osx-shared-release+examples+matplotlib+private

 
Name Stage Failure
failed
test:fedora31-nodata Test
   Send to group: merge-requests
SubmitURL: https://open.cdash.org/submit.php?project=SMTK
Uploaded: /builds/gitlab-kitware-sciviz-ci/build/Testing/20200909-1544/Test.xml
Submission successful
CMake Error at /builds/gitlab-kitware-sciviz-ci/.gitlab/ci/ctest_test.cmake:30 (message):
Failed to test


ERROR: Job failed: exit code 1
failed
test:fedora31-paraview Test
   Send to group: merge-requests
SubmitURL: https://open.cdash.org/submit.php?project=SMTK
Uploaded: /builds/gitlab-kitware-sciviz-ci/build/Testing/20200909-1544/Test.xml
Submission successful
CMake Error at /builds/gitlab-kitware-sciviz-ci/.gitlab/ci/ctest_test.cmake:30 (message):
Failed to test


ERROR: Job failed: exit code 1