VideoPress dashboard: improve upload error handler #86703

Job	Run time
Determine tests matrix	2m 8s
E2E: Build jetpack-boost	3m 39s
E2E: Build jetpack-core	4m 16s
E2E: Build jetpack-search	3m 51s
E2E: Build jetpack-social	3m 30s
E2E: Build jetpack-sync	4m 11s
E2E: Build jetpack-videopress	3m 34s
Jetpack connection e2e tests	4m 40s
Jetpack pre-connection e2e tests	3m 22s
Jetpack post-connection e2e tests	4m 48s
Jetpack sync e2e tests	5m 18s
Jetpack Boost - Base e2e tests	4m 44s
Jetpack Boost - Modules e2e tests	5m 3s
Jetpack Boost - Critical CSS e2e tests	4m 34s
Jetpack Boost - Page Cache e2e tests	6m 33s
Jetpack Boost - Concatenate JS/CSS e2e tests	3m 32s
Jetpack Boost - Image CDN e2e tests	3m 37s
Jetpack Boost - Image Guide e2e tests	3m 21s
Search e2e tests	5m 18s
VideoPress e2e tests	3m 10s
Social e2e tests	6m 9s
Slack notification	1m 24s
Test report	2s
	1h 30m 44s

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