Description

Functionality has been changed, such that the activity is being updated whenever a pictogram in an activity is being deleted

Fixes #\<930>

Type of change

Delete unchecked boxes (only for Type of change)

Unit test in the weekplan_screen_test.dart file called "Pictograms match the activity"

Development Configuration Type "flutter --version" and "dart --version" in your CMD to check versions.

[X] My code follows the style guidelines of this project
[X] I have performed a self-review of my own code
[ ] I have commented my code, particularly in hard-to-understand areas, if necessary
[ ] I have made corresponding changes to the documentation, if necessary
[X] My changes generate no new warnings
[X] I have added tests that prove my fix is effective or that my feature works, if necessary
[X] New and existing unit tests pass locally with my changes
[X] Any dependent changes have been merged and published in downstream modules
[ ] I have Acceptance Tested this on an iOS device
[ ] I have Acceptance Tested this on an Android device