Resolving an error when deleting segments

[escopecz]

Q	A
Bug fix? (use the a.b branch)	[y]
New feature/enhancement? (use the a.x branch)	[n]
Deprecations?	[n]
BC breaks? (use the c.x branch)	[n]
Automated tests included?	[y]
Related user documentation PR URL	mautic/mautic-documentation#...
Related developer documentation PR URL	mautic/developer-documentation#...
Issue(s) addressed	/

Description:

The batch deleting segments feature can end up with a 500 error when the segment has a specific filter.

Steps to test this PR:

1. Open this PR on Gitpod or pull down for testing locally (see docs on testing PRs here)

2. Create a segment A with filter segment membership filter “Segment Membership“ EMPTY.

3. Create a Segment B with any filter.

4. Try to batch delete a segment.

5. check error in console.

Other areas of Mautic that may be affected by the change:

1. Just segment delete

List of areas covered by the unit and/or functional tests:

1. Batch deleting segments with a filter of segment membership is empty

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 64.04%. Comparing base (b94713f) to head (2f59eba).

Additional details and impacted files

@@            Coverage Diff            @@
##                6.x   #14553   +/-   ##
=========================================
  Coverage     64.04%   64.04%           
  Complexity    34664    34664           
=========================================
  Files          2287     2287           
  Lines        103757   103757           
=========================================
  Hits          66446    66446           
  Misses        37311    37311           

Files with missing lines	Coverage Δ
app/bundles/LeadBundle/Model/ListModel.php	65.06% <100.00%> (ø)

[shinde-rahul]

Looks good. 👍