Fix Style/SafeNavigation for negated method call with a safe naviga…

…tion

lib/rubocop/cop/style/safe_navigation.rb

@@ -123,7 +123,7 @@ def check_node(node)
           return unless receiver == checked_variable
           return if use_var_only_in_unless_modifier?(node, checked_variable)
           return if chain_length(method_chain, method) > max_chain_length
-          return if unsafe_method_used?(method_chain, method) && !method.safe_navigation?
+          return if unsafe_method_used?(method_chain, method)
           return if method_chain.method?(:empty?)
 
           add_offense(node) { |corrector| autocorrect(corrector, node) }
@@ -250,7 +250,9 @@ def unsafe_method_used?(method_chain, method)
         end
 
         def unsafe_method?(send_node)
-          negated?(send_node) || send_node.assignment? || !send_node.dot?
+          negated?(send_node) ||
+            send_node.assignment? ||
+            (!send_node.dot? && !send_node.safe_navigation?)
         end
 
         def negated?(send_node)

spec/rubocop/cop/style/safe_navigation_spec.rb

@@ -116,6 +116,10 @@
     expect_no_offenses('foo.baz = bar if foo')
   end
 
+  it 'allows an object check before a negated method call with a safe navigation' do
+    expect_no_offenses('obj && !obj&.do_something')
+  end
+
   it 'allows object checks in the condition of an elsif statement ' \
      'and a method call on that object in the body' do
     expect_no_offenses(<<~RUBY)