add send_stream method for Scope

[laizy]

Description

Fixes #2405

Checklist

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

[github-actions[bot]]

Visit the preview URL for this PR (updated for commit 7239dd6):

https://yew-rs-api--pr2619-send-stream-ssmlbfab.web.app

_{(expires Sun, 04 Sep 2022 17:55:27 GMT)}

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Size Comparison

examples	master (KB)	pull request (KB)	diff (KB)	diff (%)
boids	169.355	169.356	+0.001	+0.001%
contexts	107.389	107.380	-0.009	-0.008%
counter	84.911	84.911	0	0.000%
counter_functional	85.535	85.537	+0.002	+0.002%
dyn_create_destroy_apps	87.863	87.868	+0.005	+0.006%
file_upload	99.572	99.573	+0.001	+0.001%
function_memory_game	162.728	162.727	-0.001	-0.001%
function_router	345.439	345.455	+0.016	+0.005%
function_todomvc	157.712	157.700	-0.012	-0.007%
futures	221.990	221.991	+0.001	+0.000%
game_of_life	105.071	105.069	-0.002	-0.002%
immutable	180.744	180.736	-0.008	-0.004%
inner_html	82.010	82.011	+0.001	+0.001%
js_callback	110.732	110.722	-0.011	-0.010%
keyed_list	193.483	193.482	-0.001	-0.001%
mount_point	84.694	84.694	0	0.000%
nested_list	112.012	112.011	-0.001	-0.001%
node_refs	91.855	91.854	-0.001	-0.001%
password_strength	1546.345	1546.344	-0.001	-0.000%
portals	95.437	95.434	-0.003	-0.003%
router	314.906	314.905	-0.001	-0.000%
simple_ssr	151.382	151.391	+0.009	+0.006%
ssr_router	391.035	391.037	+0.002	+0.000%
suspense	108.431	108.426	-0.005	-0.005%
timer	87.706	87.707	+0.001	+0.001%
todomvc	139.212	139.213	+0.001	+0.001%
two_apps	85.557	85.557	0	0.000%
web_worker_fib	150.537	150.532	-0.005	-0.003%
webgl	85.688	85.691	+0.003	+0.003%

✅ None of the examples has changed their size significantly.

[ranile]

@laizy ~~can you update this PR? I can do it if you can't/don't want to~~

I went ahead and did it, hope that's okay with you

[github-actions[bot]]

Benchmark - SSR

Yew Master

Benchmark	Round	Min (ms)	Max (ms)	Mean (ms)	Standard Deviation
Baseline	10	433.541	455.487	441.461	5.998
Hello World	10	1310.158	1342.200	1322.533	11.122
Function Router	10	3154.746	3230.623	3171.111	21.458
Concurrent Task	10	1012.727	1015.593	1014.268	0.865

Pull Request

Benchmark	Round	Min (ms)	Max (ms)	Mean (ms)	Standard Deviation
Baseline	10	436.974	448.834	443.580	4.541
Hello World	10	1313.138	1329.603	1319.723	5.814
Function Router	10	3126.782	3144.821	3132.861	5.444
Concurrent Task	10	1012.156	1016.195	1014.297	1.225