confirmation dialog to be shown before deleting

[Berend27]

I created a confirmation dialog to be shown before deleting. This is for the ticket IDE-262.

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[Frajhamster]

There are existing tests which need to be updated, such as:

• Catroid\catroid\src\androidTest\java\org\catrobat\catroid\uiespresso\ui\fragment\DeleteLookTest.java
• Catroid\catroid\src\androidTest\java\org\catrobat\catroid\uiespresso\ui\fragment\DeleteSoundTest.java

And maybe even more, which are affected by your changes, please test it locally and if they fail, update the tests.

[sonarqubecloud]

Quality Gate passed

Issues
1 New issue
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
2.2% Duplication on New Code

See analysis details on SonarQube Cloud

[Frajhamster]

Changes look good.
Please also squash your commits into one, by using "git rebase", you can check how to do this by googling or consulting the almighty AI.