Change Details

**Steps to replicate the issue** (include links if applicable): * Block a user while another user is trying to block them * They get two blocks instead of one **What happens?**: {F66464449} **What should have happened instead?**: Conflicting blocks should not be applied before warning a user. Administrators should get a warning to see if they still want to apply the block if another administrator already blocked the user with some other parameters. Semi-related to {T351511}

**Steps to replicate the issue** (include links if applicable): * Block a user while another user is trying to block them * They get two blocks instead of one **What happens?**: {F66464449} *Translation: two blocks, one for 1 year and one for half a year, applied at the same time 12:45, 9 September 2025.* **What should have happened instead?**: Conflicting blocks should not be applied before warning a user. Administrators should get a warning to see if they still want to apply the block if another administrator already blocked the user with some other parameters. Semi-related to {T351511}

**Steps to replicate the issue** (include links if applicable): * Block a user while another user is trying to block them * They get two blocks instead of one **What happens?**: {F66464449} *Translation: two blocks, one for 1 year and one for half a year, applied at the same time 12:45, 9 September 2025.* **What should have happened instead?**: Conflicting blocks should not be applied before warning a user. Administrators should get a warning to see if they still want to apply the block if another administrator already blocked the user with some other parameters. Semi-related to {T351511}