Doordashcon issues

Results 8 issues of


                                            Doordashcon

session, staking: introduce static limit on the number of validators

Attempts to resolve #9724

A0-pleasereview

B0-silent

Replace `T::AccountId` with `<T::Lookup as StaticLookup>::Source`

Fixes #6042 polkadot address: 12zsKEDVcHpKEWb99iFt3xrTCQQXZMu477nJQsTBBrof5k2h

A0-pleasereview

B7-runtimenoteworthy

C1-low 📌

D5-nicetohaveaudit ⚠️

nomination-pools: allow pool-ids to be reused

closes #12001 polkadot address: 12zsKEDVcHpKEWb99iFt3xrTCQQXZMu477nJQsTBBrof5k2h

Transaction pool benchmarks: Reusing Nonce

This attempts to solve #9970

A3-inprogress

permissionless `bond_extra` in nomination pools

Resolves #11638 polkadot address: 12zsKEDVcHpKEWb99iFt3xrTCQQXZMu477nJQsTBBrof5k2h

A0-pleasereview

B7-runtimenoteworthy

C1-low 📌

D9-needsaudit 👮

Adding `try_state` hook(tips & vesting)

part of paritytech/polkadot-sdk#239 polkadot address: 12zsKEDVcHpKEWb99iFt3xrTCQQXZMu477nJQsTBBrof5k2h

A0-please_review

B0-silent

C1-low

D3-trivial 🧸

T1-runtime

TypeError: Cannot read properties of null (reading 'length')

Experiencing this networking issue #### Purpose Attempting to test the functionality of the upcoming Secretary Collective [here](https://github.com/polkadot-fellows/runtimes/pull/306) [WASM](https://drive.google.com/file/d/1gl8mED-EvlDhPKOtzxvFm4VlMVCID56V/view?usp=sharing) #### Error Message `TypeError: Cannot read properties of null (reading 'length') at...

NoOp Impl Polling Trait

Adds NoOp implementation for the `Polling` trait and updates benchmarks in `pallet-ranked-collective`.

T2-pallets