layouts: map: Add option to make map non-resizable

layouts/shortcodes/leaflet-map.html

@@ -2,7 +2,7 @@
 
 Syntax summary:
 
-	{{< leaflet-map centerLat=FLOAT centerLon=FLOAT zoom=INT width="STRING" height="STRING" >}}
+	{{< leaflet-map centerLat=FLOAT centerLon=FLOAT zoom=INT width="STRING" height="STRING" resizable=BOOL >}}
 
 		{{< leaflet-layer id="STRING" apiKey="STRING" >}}
 
@@ -28,6 +28,9 @@ Map options:
 	height:
 		Height of the map, including CSS units (e.g. "50%", "300px").
 		Optional, defaults to "50vh".
+	resizable:
+		Boolean value indicating whether the map should be drag & drop resizable.
+		Optional, defaults to true.
 
 Layer options:
 
@@ -144,11 +147,13 @@ Elevation profile options:
 		// Create the map
 		var map = Quip.createTrackMap(map_options_{{ $uniqueId }});
 
+		{{ if .Get "resizable" | default "true" }}
 		// Make the map resizable
 		$('#map_container_{{ $uniqueId }}').resizable({
 			handles: 'e, s, se',
 			resize: () => map.invalidateSize(),
 		});
+		{{ end }}
 
 		// Move the Leaflet attribution out of the map container
 		$('#map_attribution_{{ $uniqueId }}').append(