[ACA-3795] E2E test to validate Delete Save and Save as actions should be displayed and enabled when clicking on custom filter header

[bogdanapatrichi]

• Add createNewProcessCustomFilter() method in edit-process-filters-component.e2e.ts

Please check if the PR fulfills these requirements

• The commit message follows our guidelines
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

What kind of change does this PR introduce? (check one with "x")

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation
• Other... Please describe: Delete Save and Save as actions should be displayed and enabled when clicking on custom filter header

What is the current behaviour? (You can also link to an open issue here)

What is the new behaviour?

Does this PR introduce a breaking change? (check one with "x")

• Yes
• No

If this PR contains a breaking change, please describe the impact and migration path for existing applications: ...

Other information:

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[codecov-commenter]

Codecov Report

Merging #5930 into develop will decrease coverage by 0.36%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop    #5930      +/-   ##
===========================================
- Coverage    78.59%   78.22%   -0.37%     
===========================================
  Files          471      142     -329     
  Lines        10697     3885    -6812     
  Branches      1996      773    -1223     
===========================================
- Hits          8407     3039    -5368     
+ Misses        1653      598    -1055     
+ Partials       637      248     -389     

Impacted Files	Coverage Δ
.../lib/upload/directives/file-draggable.directive.ts	32.65% <0.00%> (-1.39%)	⬇️
...ights/src/lib/diagram/services/diagrams.service.ts
.../diagram/models/chart/details-table-chart.model.ts
...ents/raphael/icons/raphael-icon-camel.component.ts
...s-cloud/src/lib/services/form-fields.interfaces.ts
...ts/raphael/icons/raphael-icon-message.component.ts
...ervices-cloud/src/lib/app/app-list-cloud.module.ts
...m/components/gateways/diagram-gateway.component.ts
...ervices/src/lib/mock/process/process.model.mock.ts
.../task-list/components/task-standalone.component.ts
... and 320 more

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