Fix formation plane voiding items rarely (#628)

Co-authored-by: Martin Robertz <[email protected]>
(cherry picked from commit 5437a0d)

src/main/java/appeng/parts/automation/PartFormationPlane.java

@@ -542,6 +542,8 @@ public IAEItemStack injectItems(final IAEItemStack input, final Actionable type,
                                     side.offsetY,
                                     side.offsetZ);
                             maxStorage -= is.stackSize;
+                        } else {
+                            worked = false;
                         }
                     }
                 } else {