f821fc9813
89576ccc572fcaf9fb7117ad6124482cc95fbd9f refactor: add LIFETIMEBOUND to blockfilter where needed (stickies-v)
Pull request description:
Noticed from https://github.com/bitcoin/bitcoin/pull/25637#issuecomment-1231860822 that [`BlockFilter::GetFilter()`](01e1627e25/src/blockfilter.h (L132)) returns a reference to a member variable. Added LIFETIMEBOUND to all blockfilter-related code to ensure that the return values do not have a lifetime that exceeds the lifetime of what it is bound to. See https://github.com/bitcoin/bitcoin/blob/master/doc/developer-notes.md#lifetimebound or https://github.com/bitcoin/bitcoin/pull/25060 for a similar example.
I used `grep -E '[a-zA-Z>0-9][&*] ([a-zA-Z]*)\((.*)\)' src/**/blockfilter*` to grep all possible occurrences (not all of them require LIFETIMEBOUND)
ACKs for top commit:
brunoerg:
crACK 89576ccc572fcaf9fb7117ad6124482cc95fbd9f
Tree-SHA512: 6fe61fc0c1ed9e446edce083d1b093e1a5e2ef8c39ff74125bb12a24e514d45711845809817fbd4a04d7a9c23c8b362203771c17b6d831d2560b1af268453019
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