fix: prevent share count increment on cancelled share

[anshikaagr]

What changed

• Fixed the issue where the share count increased even when the share action was cancelled.
• Removed share count updates from the native share flow.
• Verified that cancelling the share dialog no longer increases the share count.

Testing

• Tested in Chrome and Edge.
• Confirmed that cancelling the share dialog keeps the share count unchanged.

[vercel]

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