🐛 Metadata Validation Error Persists After Correcting URL in Voting Flow

[mesudip]

When adding a context during the voting process, if an incorrect URL is initially entered, the error message persists even after navigating back and entering a correct URL. This prevents users from proceeding, even with valid metadata input.

Steps to Reproduce:

1. Click on “Vote”
2. Add context
3. Choose “Download and store data myself”
4. Paste an incorrect URL (e.g., incorrect hash or url that returns text)
5. Error message “Incorrect data format” is shown
6. Click the “Back” button
7. Enter a correct URL
8. Error message still shows “Incorrect data format”

Expected Behavior:

After navigating back and entering a valid URL, the error message should clear, and the metadata should be re-evaluated correctly.

Actual Behavior:

The error message persists even after correcting the input, making it impossible to proceed with a valid URL.