fix: remove autocomplete from password confirmation field to enable dual autofill

Password managers autofill both password fields when the confirmation field doesn't have autocomplete="new-password". This matches standard behavior on most websites.

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Co-Authored-By: Claude <[email protected]>

Author: chriscarrollsmith

templates/account/register.html

@@ -43,9 +43,8 @@
         <!-- Confirm Password Input -->
         <div class="mb-3">
             <label for="confirm_password" class="form-label">Confirm Password</label>
-            <input type="password" class="form-control" id="confirm_password" name="confirm_password" 
-                   placeholder="Confirm your password" required
-                   autocomplete="new-password">
+            <input type="password" class="form-control" id="confirm_password" name="confirm_password"
+                   placeholder="Confirm your password" required>
             <div class="invalid-feedback">
                 Passwords do not match.
             </div>