ruby-smie-rules: Fix misindentation of a method call after assignment

* lisp/progmodes/ruby-mode.el (ruby-smie-rules): Fix indentation of a
method call after assignment with ruby-after-operator-indent=nil
(bug#61822).

* test/lisp/progmodes/ruby-mode-resources/ruby-after-operator-indent.rb:
Add corresponding example.

1 files changed, 4 insertions, 0 deletions

diff --git a/test/lisp/progmodes/ruby-mode-resources/ruby-after-operator-indent.rb b/test/lisp/progmodes/ruby-mode-resources/ruby-after-operator-indent.rb
index 25cd8736f97..e339d229d3e 100644
--- a/test/lisp/progmodes/ruby-mode-resources/ruby-after-operator-indent.rb
+++ b/test/lisp/progmodes/ruby-mode-resources/ruby-after-operator-indent.rb
@@ -10,6 +10,10 @@ qux = 4 + 5 *
 foo = obj.bar { |m| tee(m) } +
   obj.qux { |m| hum(m) }
 
+some_variable = abc + some_method(
+  some_argument
+)
+
 foo.
   bar
   .baz