remove startActivityForResult on FeedbackActivity for camera and gallery

[cchigo]

Issue

This fixes the following issue(s):

• Resolves: startActivityForResult is Deprecated #1486
• Created two launchers callled cameraLauncher and galleryLauncher

Screenshot

Why this is useful for all students

[cchigo]

@CommanderStorm Good day, please review

[CommanderStorm]

This is what I could deduce, without having run it.
Looks good to me, but bevore approving I am going to run that code.
I am probably going to get to that tonight. If not I am sorry

[tobiasjungmann]

Work on my test devices. Great to remove the outdated methods!

[kordianbruck]

Thanks for testing Tobias and thanks @cchigo for contributing!

[kordianbruck]

There are a few more lint warnings that you might be able to address by using the "auto format" feature in android studio:

/home/runner/work/Campus-Android/Campus-Android/app/src/main/java/de/tum/in/tumcampusapp/component/tumui/feedback/FeedbackActivity.kt:39:1: Needless blank line(s)
/home/runner/work/Campus-Android/Campus-Android/app/src/main/java/de/tum/in/tumcampusapp/component/tumui/feedback/FeedbackActivity.kt:50:85: Missing spacing before "{"
/home/runner/work/Campus-Android/Campus-Android/app/src/main/java/de/tum/in/tumcampusapp/component/tumui/feedback/FeedbackActivity.kt:54:86: Missing spacing around "{"
/home/runner/work/Campus-Android/Campus-Android/app/src/main/java/de/tum/in/tumcampusapp/component/tumui/feedback/FeedbackActivity.kt:59:1: Needless blank line(s)
/home/runner/work/Campus-Android/Campus-Android/app/src/main/java/de/tum/in/tumcampusapp/component/tumui/feedback/FeedbackActivity.kt:149:47: Missing spacing before "{"
/home/runner/work/Campus-Android/Campus-Android/app/src/main/java/de/tum/in/tumcampusapp/component/tumui/feedback/FeedbackActivity.kt:157:10: Missing spacing after "}"
/home/runner/work/Campus-Android/Campus-Android/app/src/main/java/de/tum/in/tumcampusapp/component/tumui/feedback/FeedbackActivity.kt:157:46: Missing spacing before "{"
/home/runner/work/Campus-Android/Campus-Android/app/src/main/java/de/tum/in/tumcampusapp/component/tumui/feedback/FeedbackActivity.kt:160:1: Unexpected blank line(s) before "}"

[CommanderStorm]

First bunch of formatting fixes