Important

Switch form validation to onSubmit, update error message, and add "Other" topic category in support form.

• Behavior:
  • Change form validation mode from onChange to onSubmit in SupportFormSection.
  • Update error message for empty message field in SupportFormSchema to "Please provide a description of your issue."
• Form Options:
  • Add "Other" to TopicGroups in formConstants.ts under "Product Features".
• Misc:
  • Remove isValid check for submit button in SupportFormSection.

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