Allow user to delete note files #237
Merged
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What does it fix?
Closes #236
The PR adds a delete ImageButton to each attached file so the user can delete it. The implementation also takes in consideration the possibility of the user attaching the same file twice or more and avoids deleting the file in this case.
This PR also fixes a bug where, if the user tried to add two different files which have the same name, the previous note files would be overwritten. To solve this I appended an additional timestamp to the selected file's name.
How has it been tested?
Tested manually by adding and deleting some files to a note.