CRS-320 Add own reactions

[ath92]

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Description of the pull request

Pass message.own_reactions into reactions components so custom implementations can use it to show the current user's reaction.

[github-actions]

Size Change: +141 B (0%)

Total Size: 1.26 MB

Filename	Size	Change
./dist/browser.full-bundle.js	644 kB	+25 B (0%)
./dist/browser.full-bundle.min.js	373 kB	+45 B (0%)
./dist/index.es.js	105 kB	+48 B (0%)
./dist/index.js	107 kB	+23 B (0%)

ℹ️ View Unchanged

Filename	Size	Change
./dist/css/index.css	23 kB	0 B
./dist/css/index.js	21 B	0 B
./dist/i18n/en.json	824 B	0 B
./dist/i18n/fr.json	1.25 kB	0 B
./dist/i18n/hi.json	1.43 kB	0 B
./dist/i18n/it.json	1.19 kB	0 B
./dist/i18n/nl.json	1.17 kB	0 B
./dist/i18n/ru.json	1.47 kB	0 B
./dist/i18n/tr.json	1.19 kB	0 B

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[mahboubii]

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