Don't take case in count when sorting non-ordered vector flag

Fixes: https://gitlab.cri.epita.fr/ing/majeures/srs/fic/server/-/issues/30

admin/sync/exercice_keys.go

@@ -67,7 +67,10 @@ func getRawKey(input interface{}, validatorRe string, ordered bool, showLines bo
 
 		ignord := "f"
 		if !ordered {
-			sort.Strings(fitems)
+			// Sort the list without taking the case in count.
+			sort.Slice(fitems, func(i, j int) bool {
+				return strings.ToLower(fitems[i]) < strings.ToLower(fitems[j])
+			})
 			ignord = "t"
 		}
 

frontend/fic/src/lib/components/FlagKey.svelte

@@ -80,9 +80,20 @@
          }
      }
 
-     // Sort cells
+     // Sort cells (case doesn't count in sort)
      if (flag.ignore_order) {
-         v = v.sort();
+         v = v.sort((a,b) => {
+             const aUC = a.toUpperCase();
+             const bUC = b.toUpperCase();
+             if (aUC < bUC) {
+                 return -1;
+             }
+             if (aUC > bUC) {
+                 return 1;
+             }
+
+             return 0;
+         });
      }
 
      value = v.join(flag.separator ? flag.separator : ',');