remove space after item name when there is only 1 line

Author: brachy84

src/main/java/com/cleanroommc/modularui/screen/ModularContainer.java

@@ -459,7 +459,6 @@ protected ItemStack transferItem(ModularSlot fromSlot, ItemStack fromStack) {
         // now insert into the first phantom slot we can find (will be non-empty)
         // unfortunately, when all phantom slots are used it will always overwrite the first one
         for (ModularSlot toSlot : getShiftClickSlots()) {
-            ItemStack itemstack = toSlot.getStack();
             SlotGroup slotGroup = Objects.requireNonNull(toSlot.getSlotGroup());
             if (slotGroup != fromSlotGroup && toSlot.isPhantom() && toSlot.isEnabled() && toSlot.isItemValid(fromStack)) {
                 // don't check for stackable, just overwrite

src/main/java/com/cleanroommc/modularui/screen/RichTooltip.java

@@ -327,9 +327,12 @@ public RichTooltip setAutoUpdate(boolean update) {
 
     public RichTooltip addFromItem(ItemStack item) {
         List<String> lines = MCHelper.getItemToolTip(item);
-        add(lines.get(0)).spaceLine(2);
-        for (int i = 1, n = lines.size(); i < n; i++) {
-            add(lines.get(i)).newLine();
+        add(lines.get(0));
+        if (lines.size() > 1) {
+            spaceLine();
+            for (int i = 1, n = lines.size(); i < n; i++) {
+                add(lines.get(i)).newLine();
+            }
         }
         return this;
     }