Make functions work with both connection and pool (#3420)

Make functions work with both connection and pool (#3420)

* a lot

* merge

* Fix stuff broken by merge

* Get rid of repetitive `&mut *context.conn().await?`

* Add blank lines under each line with `conn =`

* Fix style mistakes (partial)

* Revert "Fix style mistakes (partial)"

This reverts commit 48a033b87f4fdc1ce14ff86cc019e1c703cd2741.

* Revert "Add blank lines under each line with `conn =`"

This reverts commit 773a6d3beba2cf89eac75913078b40c4f5190dd4.

* Revert "Get rid of repetitive `&mut *context.conn().await?`"

This reverts commit d2c6263ea13710177d49b2791278db5ad115fca5.

* Use DbConn for CaptchaAnswer methods

* DbConn trait

* Remove more `&mut *`

* Fix stuff

* Re-run CI

* try to make ci start

* fix

* fix

* Fix api_common::utils

* Fix apub::activities::block

* Fix apub::api::resolve_object

* Fix some things

* Revert "Fix some things"

This reverts commit 2bf8574bc8333d8d34ca542d61a0a5b50039c24d.

* Revert "Fix apub::api::resolve_object"

This reverts commit 3e4059aabbe485b2ff060bdeced8ef958ff62832.

* Revert "Fix apub::activities::block"

This reverts commit 3b02389abd780a7b1b8a2c89e26febdaa6a12159.

* Revert "Fix api_common::utils"

This reverts commit 7dc73de613a5618fa57eb06450f3699bbcb41254.

* Revert "Revert "Fix api_common::utils""

This reverts commit f740f115e5457e83e53cc223e48196a2c47a9975.

* Revert "Revert "Fix apub::activities::block""

This reverts commit 2ee206af7c885c10092cf209bf4a5b1d60327866.

* Revert "Revert "Fix apub::api::resolve_object""

This reverts commit 96ed8bf2e9dcadae760743929498312334e23d2e.

* Fix fetch_local_site_data

* Fix get_comment_parent_creator

* Remove unused perma deleted text

* Fix routes::feeds

* Fix lib.rs

* Update lib.rs

* rerun ci

* Attempt to create custom GetConn and RunQueryDsl traits

* Start over

* Add GetConn trait

* aaaa

* Revert "aaaa"

This reverts commit acc9ca1aed10c39efdd91cefece066e035a1fe80.

* Revert "Revert "aaaa""

This reverts commit 443a2a00a56d152bb7eb429efd0d29a78e21b163.

* still aaaaaaaaaaaaa

* Return to earlier thing

Revert "Add GetConn trait"

This reverts commit ab4e94aea5bd9d34cbcddf017339131047e75344.

* Try to use DbPool enum

* Revert "Try to use DbPool enum"

This reverts commit e4d1712646a52006b865a1fbe0dcf79976fdb027.

* DbConn and DbPool enums (db_schema only fails to compile for tests)

* fmt

* Make functions take `&mut DbPool<'_>` and make db_schema tests compile

* Add try_join_with_pool macro and run fix-clippy on more crates

* Fix some errors

* I did it

* Remove function variants that take connection

* rerun ci

* rerun ci

* rerun ci