crimson/osd/ops_executer: pass MutFunc by value

crimson/osd/ops_executer: pass MutFunc by value

Since we now co_await mut_func, we should not pass it by rvalue ref.

```
DEBUG 2024-09-01 15:54:46,212 [shard 0:main] osd - do_osd_ops_execute: object 2:c4c92e5a:::rbd_trash:head submitting txn
=================================================================
==17416==ERROR: AddressSanitizer: stack-use-after-return on address 0x7f590008a430 at pc 0x0000040a367a bp 0x7ffc0b1d5ff0 sp 0x7ffc0b1d5fe0
Address 0x7f590008a430 is located in stack of thread T0 at offset 48 in frame
    #0 0x40b0a2b in crimson::osd::PG::do_osd_ops_execute ... lambda(std::error_code const&)#1}&&)::{lambda()#1}::operator()() const (/usr/bin/ceph-osd+0x40b0a2b)
```

Co-authored-by: Xuehan Xu <xuxuehan@qianxin.com>
Signed-off-by: Matan Breizman <mbreizma@redhat.com>