Fixed major bug - Editing the CSV rows of large files was overwriting the content with only the last chunk of 500 rows, instead of keeping the rest untouched.

1. Replaced labels and keys: "flightpen"/"flightpen_id" with "study"/"study_id" to improve upgradability and usability 2. Added Test Unit for CSV Editor to find extension .csv in the BASIL_Data directory 3. Rewrote Test Unit to match new key "study_id" in file imports and csv data

Fixed bug urgently, output files not being saved as .csv type

1. Images quality improvement 2. Save and login admin credentials can be done in one click 3. Added user guide link to the home screen 4. Disabled 'Edit CSV Data' function until data exists 5. Swift 6 compatibility 6. The observer can go back to select a new parent behavior if tapped on the wrong one accidentally, without losing the timestamp or the individuals 7. Transformed the 'Edit Data' alert window into a full page controller to get a wider view of the CSV data and the observer can edit the actor, target and behavior from a dropdown list, instead of typing 8. Fixed lagging issues by loading chunks of 500 lines instead of the complete file