shellfmt/.editorconfig: enable trim whitespaces, run shellfmt, no actual code changes (#4849)

- shellfmt: bump to 3.6.0 (run with `bash lib/tools/shellfmt.sh`)
- .editorconfig: rationalize, remove duplicated logic

lib/functions/logging/export-logs.sh

@@ -181,7 +181,7 @@ function export_raw_logs() {
 		display_alert "No target file specified for export_raw_logs()" "${target_file}" "err"
 		return 0
 	fi
-	
+
 	# Just tar the logs directory into target_file
 	tar -C "${LOGDIR}" -cf "${target_file}" .
 }

lib/functions/logging/traps.sh

@@ -186,4 +186,3 @@ function exit_with_error() {
 
 	exit 43
 }
-