fix: prevent firing load more when user is offline

[mahboubii]

not the most brilliant approach, but our WS is a little bit behind detecting network is down or not
well supported: https://developer.mozilla.org/en-US/docs/Web/API/NavigatorOnLine/onLine

[github-actions]

Size Change: +77 B (0%)

Total Size: 1.26 MB

Filename	Size	Change
./dist/browser.full-bundle.js	644 kB	+15 B (0%)
./dist/browser.full-bundle.min.js	373 kB	+16 B (0%)
./dist/index.es.js	105 kB	+24 B (0%)
./dist/index.js	107 kB	+22 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

_{compressed-size-action}

[ath92]

LGTM (I'm slightly weirded out by that camelCase for onLine)