fmt: trim space in embedded comments (#7521)

vlib/v/fmt/fmt.v

@@ -1228,7 +1228,7 @@ pub fn (mut f Fmt) comment(node ast.Comment, options CommentsOptions) {
 			f.writeln(x)
 			f.write('*/')
 		} else {
-			f.write('/* $x */')
+			f.write('/* ${x.trim(' ')} */')
 		}
 		return
 	}

vlib/v/fmt/tests/comments_expected.vv

@@ -18,6 +18,10 @@ fn main() {
 	d := c // and an extra one
 	e := c
 	// more comments = more good
+	arr := [
+		/* block foo bar */ /* inline foo bar */
+		0,
+	]
 	// before arg comment
 	// after arg comment
 	println('this is a test')

vlib/v/fmt/tests/comments_input.vv

@@ -12,6 +12,11 @@ fn main() {
 	d := c // and an extra one
 	e := c
 	// more comments = more good
+	arr := [
+		/*   block foo bar  */
+		//   inline foo bar
+		0,
+	]
 	println(/* before arg comment */ 'this is a test' /* after arg comment */)
 	if /* before if expr */ true /* after if expr */  {
 		println('if')