fix: fix icon-btn icon not being centered

[floydnant]

️🪄 Changes

• Relates to https://rockket.netlify.app/home/5f2be4d9-4ed5-4bc9-afda-f222f31d8abc

🧪 What/How to test this PR

📋 Checklist

• All linter warnings are resolved and code is formatted (npm run fix)
• Affected projects build and test successfully (npm run affected)
• Apps can be served (npm run dev)
• Changes to ENV variables are reflected in the respective env.sample files
• Breaking changes flagged
• BE If the schema changed, migrations are generated and tested
• FE Tested on mobile device (npm run dev:lan)
• Misc Code is sufficiently documented with comments
• Misc Docs updated to reflect changes
• Misc All code used for temporary testing removed (console.log() etc.)
• Misc Outstanding todos marked with @TODO comments
• Misc All commented out code removed

[netlify]

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Name	Link
🔨 Latest commit	3837b7a
🔍 Latest deploy log	https://app.netlify.com/sites/rockket/deploys/671d6bb65001fe000874d2cf

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✅ Successfully ran 12 targets

• nx component-test rockket-web
• nx e2e rockket-web-e2e
• nx run rockket-web:test:ci
• nx build rockket-web
• nx e2e rockket-backend-e2e
• nx run rockket-backend:test:ci
• nx run rockket-backend:db:migrate:deploy
• nx typecheck-snapshot-scripts rockket-backend
• nx build rockket-backend
• nx run-many -t lint --verbose
• nx run-many -t test --projects tag:type:lib
• nx run-many -t build --projects tag:type:lib

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