Minor bridge linking fix

core/src/mindustry/world/Block.java

@@ -403,6 +403,11 @@ public class Block extends UnlockableContent{
 
     }
 
+    /** Mutates the given list of requests used during line placement. */
+    public void handlePlacementLine(Seq<BuildPlan> plans){
+
+    }
+
     public Object nextConfig(){
         if(saveConfig && lastConfig != null){
             return lastConfig;

core/src/mindustry/world/blocks/distribution/ItemBridge.java

@@ -176,11 +176,11 @@ public class ItemBridge extends Block{
         public void playerPlaced(Object config){
             super.playerPlaced(config);
 
-            if(config != null) return;
-
-            Tile link = findLink(tile.x, tile.y);
-            if(linkValid(tile, link) && !proximity.contains(link.build)){
-                link.build.configure(tile.pos());
+            if(config == null){
+                Tile link = findLink(tile.x, tile.y);
+                if(linkValid(tile, link) && !proximity.contains(link.build)){
+                    link.build.configure(tile.pos());
+                }
             }
 
             lastBuild = this;