checker: fix missing check for none type on or block on non-option (#17529)

vlib/v/checker/checker.v

@@ -1160,7 +1160,7 @@ fn (mut c Checker) check_or_last_stmt(stmt ast.Stmt, ret_type ast.Type, expr_ret
 						&& c.table.sym(last_stmt_typ).kind == .voidptr {
 						return
 					}
-					if last_stmt_typ == ast.none_type_idx {
+					if last_stmt_typ == ast.none_type_idx && ret_type.has_flag(.option) {
 						return
 					}
 					type_name := c.table.type_to_str(last_stmt_typ)

vlib/v/checker/tests/wrong_none_on_or_block_err.out

@@ -0,0 +1,6 @@
+vlib/v/checker/tests/wrong_none_on_or_block_err.vv:8:22: error: wrong return type `none` in the `or {}` block, expected `int`
+    6 |         `ő`: 25
+    7 |     }
+    8 |     println(m[`4`] or { none })
+      |                         ~~~~
+    9 | }

vlib/v/checker/tests/wrong_none_on_or_block_err.vv

@@ -0,0 +1,9 @@
+module main
+
+fn main() {
+	m := {
+		`л`: 1
+		`ő`: 25
+	}
+	println(m[`4`] or { none })
+}