Enable output clearing for main internationalization tasks

Author: cdebonnel

.vscode/tasks.json

@@ -145,12 +145,12 @@
                 "cwd": "${workspaceFolder}",
             },
             "presentation": {
+                "clear": true,
                 "echo": true,
                 "focus": false,
                 "panel": "dedicated",
                 "reveal": "always",
                 "showReuseMessage": true,
-                "clear": false,
             },
             "type": "shell",
         },
@@ -176,12 +176,12 @@
                 "cwd": "${workspaceFolder}",
             },
             "presentation": {
+                "clear": true,
                 "echo": true,
                 "focus": false,
                 "panel": "dedicated",
                 "reveal": "always",
                 "showReuseMessage": true,
-                "clear": false,
             },
             "type": "shell",
         },