Fix some Hook edge cases

[futursolo]

Description

This pull request fixes a couple edge cases with the #[hook] macro:

1. impl Trait in return position is supported.
2. Box<dyn Fn(&str) -> &str> will not have its lifetime rewritten.
3. &T in return position will become 'hook automatically.

Checklist

• I have run cargo make pr-flow
• I have reviewed my own code
• I have added tests

[github-actions]

Visit the preview URL for this PR (updated for commit 4ad2b71):

https://yew-rs-api--pr2592-fc-impl-trait-2-5rgkhzaw.web.app

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[github-actions]

Size Comparison

examples	master (KB)	pull request (KB)	diff
boids	173.301	173.301	0
contexts	111.393	111.393	0
counter	86.998	86.998	0
counter_functional	87.473	87.473	0
dyn_create_destroy_apps	90.104	90.104	0
file_upload	102.929	102.929	0
function_memory_game	169.999	169.999	0
function_router	351.643	351.643	0
function_todomvc	161.887	161.887	0
futures	226.574	226.574	0
game_of_life	108.032	108.032	0
inner_html	83.506	83.506	0
js_callback	92.103	92.103	0
keyed_list	195.865	195.865	0
mount_point	86.514	86.514	0
nested_list	115.569	115.569	0
node_refs	89.831	89.831	0
password_strength	1539.505	1539.505	0
portals	96.905	96.905	0
router	316.716	316.716	0
simple_ssr	499.814	499.814	0
ssr_router	425.162	425.162	0
suspense	110.433	110.433	0
timer	89.712	89.712	0
todomvc	143.693	143.693	0
two_apps	87.581	87.581	0
webgl	87.124	87.124	0

[ranile]

Oops, didn't mean to approve