Fix "Delete account modal partially hidden" issue

closes #547 (closed)

added 12 commits

• 84e51408...233506f6 - 10 commits from branch pleroma:develop
• a5dff970 - install portal vue
• 19bf5b52 - render modal at the root level using portal

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resolved all discussions

added 5 commits

• 19bf5b52...45961331 - 3 commits from branch pleroma:develop
• 68d332da - install portal vue
• 226d3aba - render modal at the root level using portal

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added 4 commits

• 226d3aba...ab34a75b - 2 commits from branch pleroma:develop
• c1f3c5ed - install portal vue
• 2fece53e - render modal at the root level using portal

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can we merge this?

added 4 commits

• 2fece53e...152617e2 - 2 commits from branch pleroma:develop
• 76b360e2 - install portal vue
• 5474037c - render modal at the root level using portal

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added 18 commits

• 5474037c...0ecf2388 - 16 commits from branch pleroma:develop
• 5740123e - install portal vue
• 9c8af149 - render modal at the root level using portal

Compare with previous version

mentioned in commit 33554e8d

merged