Quality of life improvements (pano preview; open external URL)

src/main/java/org/openstreetmap/josm/plugins/mapillary/cache/MapillaryCache.java

@@ -176,7 +176,7 @@ private static void runnableCacheSurroundingImages(INode currentImage) {
         }
         final IWay<?> iWay = MapillaryImageUtils.getSequence(currentImage);
         // We prefetch both ways
-        final Type type = Type.THUMB_256;
+        final Type type = MapillaryImageUtils.IS_PANORAMIC.test(currentImage) ? Type.THUMB_1024 : Type.THUMB_256; // Prefetch larger pic in case of Pano photo.
         if (iWay != null) {
             // Avoid CME -- getImage may remove nodes from the way
             final List<? extends INode> wayNodes = new ArrayList<>(iWay.getNodes());

src/main/java/org/openstreetmap/josm/plugins/mapillary/spi/preferences/IMapillaryUrls.java

@@ -320,7 +320,7 @@ default URI browseImage(String key) {
         if (key == null) {
             throw new IllegalArgumentException("The image key must not be null!");
         }
-        return string2URL(getBaseUrl(), "app/?pKey=", key);
+        return string2URL(getBaseUrl(), "app/?pKey=", key, "&focus=photo");
     }
 
     /**

test/unit/org/openstreetmap/josm/plugins/mapillary/utils/MapillaryURLTest.java

@@ -26,7 +26,7 @@ class MapillaryURLTest {
 
     @Test
     void testBrowseImageURL() {
-        assertEquals(URI.create("https://www.mapillary.com/app/?pKey=1234567890123456789012"),
+        assertEquals(URI.create("https://www.mapillary.com/app/?pKey=1234567890123456789012&focus=photo"),
             MapillaryConfig.getUrls().browseImage("1234567890123456789012"));
     }