misc: complete and allow translation of leaflet title attribute (#88610)

wcs/qommon/static/js/qommon.map.js

@@ -26,6 +26,8 @@ $(window).on('wcs:maps-init', function() {
      }
      map_options.gestureHandling = true;
      var map = L.map($(this).attr('id'), map_options);
+     map.attributionControl.setPrefix(
+       '<a href="https://leafletjs.com" title="' + WCS_I18N.map_leaflet_title_attribute + '">Leaflet</a>')
      var map_controls_position = $('body').data('map-controls-position') || 'topleft';
      if (! ($map_widget.parents('#sidebar').length || $map_widget.parents('td').length)) {
        new L.Control.Zoom({

wcs/views.py

@@ -80,6 +80,7 @@ def i18n_js(request):
         'map_zoom_in': _('Zoom in'),
         'map_zoom_out': _('Zoom out'),
         'map_display_position': _('Display my position'),
+        'map_leaflet_title_attribute': _('Leaflet, a JavaScript library for interactive maps'),
         's2_errorloading': _('The results could not be loaded'),
         's2_nomatches': _('No matches found'),
         's2_tooshort': _('Please enter more characters'),