While the `isMeta` flag will solve this in the
future, the current state requires us to filter
out all meta and dirmeta files, even historically.
---
#### Does this PR need a docs update or release note?
- [x] ✅ Yes, it's included
#### Type of change
- [x] 🐛 Bugfix
#### Issue(s)
* #1970
#### Test Plan
- [x] ⚡ Unit test
- [x] 💚 E2E
## Description
Support for `itemAttachment.Mail` added to GC restore pipeline.
Nested attachments within items disabled due to Kiota bug.
Issue #2428 created to re-enable `itemAttachment.Item.Attachments` when the bug is patched.
<!-- Insert PR description-->
## Does this PR need a docs update or release note?
- [x] 🏢 : Yes. Known issues and ChangeLog updates required.
## Type of change
<!--- Please check the type of change your PR introduces: --->
- [x] 🌻 Feature
- [x] 🐛 Bugfix
## Issue(s)
<!-- Can reference multiple issues. Use one of the following "magic words" - "closes, fixes" to auto-close the Github issue. -->
* related to https://github.com/microsoft/kiota-serialization-json-go/issues/61<issue>
* closes#2372
## Test Plan
- [x] ⚡ Unit test
## Description
Fix issues found by screaming frog
- Use https:// for links
- Add missing cookies page back
- Add missing alt-text
- Use dashes instead of underscores for better search engine indexing
- Fix internal redirects
## Does this PR need a docs update or release note?
- [x] ⛔ No
## Type of change
- [x] 🐛 Bugfix
