Add formatting for MatchCase (#6360)

## Summary

This PR adds formatting support for `MatchCase` node with subs for the
`Pattern`
nodes.

## Test Plan

Added test cases for case node handling with comments, newlines.

resolves: #6299

crates/ruff_python_formatter/resources/test/fixtures/ruff/statement/match.py

@@ -55,3 +55,56 @@ def foo():
     match inside_func:  # comment
         case "bar":
             pass
+
+
+match newlines:
+
+    # case 1 leading comment
+
+
+    case "top level case comment with newlines":  # case dangling comment
+        # pass leading comment
+        pass
+        # pass trailing comment
+
+
+    # case 2 leading comment
+
+
+
+    case "case comment with newlines" if foo == 2:  # second
+        pass
+
+    case "one", "newline" if (foo := 1):  # third
+        pass
+
+
+    case "two newlines":
+        pass
+
+
+
+    case "three newlines":
+        pass
+    case _:
+        pass
+
+
+match long_lines:
+    case "this is a long line for if condition" if aaaaaaaaahhhhhhhh == 1 and bbbbbbaaaaaaaaaaa == 2:  # comment
+        pass
+
+    case "this is a long line for if condition with parentheses" if (aaaaaaaaahhhhhhhh == 1 and bbbbbbaaaaaaaaaaa == 2):  # comment
+        pass
+
+    case "named expressions aren't special" if foo := 1:
+        pass
+
+    case "named expressions aren't that special" if (foo := 1):
+        pass
+
+    case "but with already broken long lines" if (
+        aaaaaaahhhhhhhhhhh == 1 and
+        bbbbbbbbaaaaaahhhh == 2
+    ):  # another comment
+        pass