Improve readability as a follow up to e302692 (#7107)

* Improve readability as a follow up to e302692

* Addressed feedback

Author: aortiz-msft

src/NuGet.Core/NuGet.ProjectModel/LockFile/LockFileItem.cs

@@ -58,17 +58,14 @@ public bool Equals(LockFileItem other)
                 bool thisEmpty = _properties == null || _properties.Count == 0;
                 bool otherEmpty = other._properties == null || other._properties.Count == 0;
 
-                if (thisEmpty && otherEmpty)
+                if (thisEmpty || otherEmpty)
                 {
-                    return true;
+                    return thisEmpty && otherEmpty;
                 }
-
-                if (thisEmpty || otherEmpty)
+                else
                 {
-                    return false;
+                    return _properties.OrderedEquals(other._properties, pair => pair.Key, StringComparer.Ordinal);
                 }
-
-                return _properties.OrderedEquals(other._properties, pair => pair.Key, StringComparer.Ordinal);
             }
 
             return false;