Resume Suspension upon unmount

[futursolo]

Description

Fixes #2873

This behaviour was initially implemented but was wrongly removed in a subsequent pull request causing the suspension to be unable to resume upon destroy.
This pull request restores this behaviour.

Checklist

• I have reviewed my own code
• I have added tests

[github-actions]

Visit the preview URL for this PR (updated for commit 9aced41):

https://yew-rs-api--pr2874-resume-on-unmount-piwebvzi.web.app

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[github-actions]

Benchmark - SSR

Yew Master

Benchmark	Round	Min (ms)	Max (ms)	Mean (ms)	Standard Deviation
Baseline	10	412.496	428.595	415.653	4.675
Hello World	10	732.154	739.621	737.074	2.206
Function Router	10	2697.669	2721.517	2710.287	6.771
Concurrent Task	10	1009.505	1013.474	1011.214	1.276

Pull Request

Benchmark	Round	Min (ms)	Max (ms)	Mean (ms)	Standard Deviation
Baseline	10	365.552	369.209	367.837	1.197
Hello World	10	740.170	746.223	743.957	1.789
Function Router	10	2601.161	2613.762	2607.987	4.143
Concurrent Task	10	1008.851	1012.629	1010.128	1.074

[github-actions]

Size Comparison

examples	master (KB)	pull request (KB)	diff (KB)	diff (%)
boids	170.250	170.253	+0.003	+0.002%
communication_child_to_parent	90.458	90.467	+0.009	+0.010%
communication_grandchild_with_grandparent	105.416	105.425	+0.009	+0.008%
communication_grandparent_to_grandchild	101.312	101.319	+0.007	+0.007%
communication_parent_to_child	87.589	87.609	+0.021	+0.023%
contexts	107.844	107.849	+0.005	+0.005%
counter	85.496	85.481	-0.015	-0.017%
counter_functional	86.023	86.008	-0.016	-0.018%
dyn_create_destroy_apps	88.395	88.407	+0.013	+0.014%
file_upload	100.074	100.058	-0.017	-0.017%
function_memory_game	163.783	163.810	+0.026	+0.016%
function_router	348.455	348.521	+0.066	+0.019%
function_todomvc	158.605	158.614	+0.009	+0.006%
futures	221.970	221.952	-0.018	-0.008%
game_of_life	105.761	105.745	-0.016	-0.015%
immutable	181.590	181.701	+0.111	+0.061%
inner_html	82.361	82.345	-0.017	-0.020%
js_callback	111.371	111.386	+0.015	+0.013%
keyed_list	195.560	195.562	+0.002	+0.001%
mount_point	85.116	85.099	-0.018	-0.021%
nested_list	112.592	112.598	+0.006	+0.005%
node_refs	92.980	92.989	+0.009	+0.009%
password_strength	1547.872	1547.878	+0.006	+0.000%
portals	96.277	96.291	+0.014	+0.014%
router	318.133	318.154	+0.021	+0.007%
simple_ssr	152.173	152.194	+0.021	+0.014%
ssr_router	393.991	394.002	+0.011	+0.003%
suspense	109.187	109.189	+0.003	+0.003%
timer	88.338	88.320	-0.018	-0.020%
todomvc	139.732	139.716	-0.017	-0.012%
two_apps	86.110	86.093	-0.018	-0.020%
web_worker_fib	152.255	152.225	-0.030	-0.020%
webgl	84.830	84.814	-0.016	-0.018%

✅ None of the examples has changed their size significantly.

[voidpumpkin]

😍