Enhance map functionality with bookmark features and UI improvements

- Introduced a new MapBookmarkNameModal for adding and editing bookmarks.
- Updated MapView to manage selected markers for bookmarking and handle bookmark name submissions.
- Enhanced MapContextMenu with an option to add markers to bookmarks.
- Improved MapBookmarks component to support editing bookmark names and adding selected markers.
- Refactored MapControls and MapControlsContent to integrate selected marker functionality for bookmarks.
- Updated useMapBookmarks composable to include bookmark updating logic.
- Removed unused grid coordinates toggle from the UI for a cleaner interface.

frontend-nuxt/composables/useMapInit.ts

@@ -1,6 +1,5 @@
 import type L from 'leaflet'
-import { GridCoordLayer, HnHCRS, HnHMaxZoom, HnHMinZoom, TileSize } from '~/lib/LeafletCustomTypes'
-import type { GridCoordLayerOptions } from '~/lib/LeafletCustomTypes'
+import { HnHCRS, HnHMaxZoom, HnHMinZoom, TileSize } from '~/lib/LeafletCustomTypes'
 import { SmartTileLayer } from '~/lib/SmartTileLayer'
 import type { MapInfo } from '~/types/api'
 
@@ -35,7 +34,6 @@ export interface MapInitResult {
   map: L.Map
   layer: SmartTileLayerInstance
   overlayLayer: SmartTileLayerInstance
-  coordLayer: L.GridLayer
   markerLayer: L.LayerGroup
   backendBase: string
 }
@@ -95,19 +93,6 @@ export async function initLeafletMap(
     'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII='
   overlayLayer.addTo(map)
 
-  // Not added to map here — added in MapView when user enables "Show grid coordinates"
-  // so createTile() always runs with visible: true and labels render (no empty tiles from init).
-  const coordLayer = new GridCoordLayer({
-    tileSize: TileSize,
-    minZoom: HnHMinZoom,
-    maxZoom: HnHMaxZoom,
-    opacity: 0,
-    visible: false,
-    pane: 'tilePane',
-    updateWhenIdle: true,
-    keepBuffer: 4,
-  } as GridCoordLayerOptions)
-
   const markerLayer = L.layerGroup()
   markerLayer.addTo(map)
   markerLayer.setZIndex(600)
@@ -122,5 +107,5 @@ export async function initLeafletMap(
   }
   preloadMarkerIcons(resolvePath)
 
-  return { map, layer, overlayLayer, coordLayer, markerLayer, backendBase }
+  return { map, layer, overlayLayer, markerLayer, backendBase }
 }