Fix grid nodes being corrupted under specific circumstances (spatial …

…anchor + adjacent QNB) (#8162)

build.gradle

@@ -160,7 +160,7 @@ if (ext.tag) {
     // still support configuration caching.
     project.version = providers.gradleProperty("version").orElse("").flatMap(version -> {
         if (!version.isBlank()) {
-            return version;
+            return providers.provider { version }
         }
         return providers.of(ProjectVersionSource.class, spec -> {
             spec.getParameters().getDefaultBranches().addAll("main", "neoforge/" + project.minecraft_version)

src/main/java/appeng/me/GridNode.java

@@ -187,7 +187,12 @@ void validateGrid() {
 
     public Grid getInternalGrid() {
         if (this.myGrid == null) {
-            this.myGrid = Grid.create(this);
+            Grid.create(this);
+            // Note that the node can be moved immediately to a new grid when
+            // it triggers adjacent connections due to block updates emitted while it joins the grid.
+            // That means the return value of Grid.create is not necessarily the new grid,
+            // but myGrid will already have been updated by the Grid calling setGrid on this node.
+            return Objects.requireNonNull(this.myGrid);
         }
 
         return this.myGrid;