* fix: resolve Firefox search icon overlapping placeholder text
- Increase input left padding from pl-4 to pl-9 to provide clearance
- Remove redundant placeholder:pl-4 class
- Ensures 24px spacing between search icon and text content
* Update SearchBox component to adjust padding on focus state
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Co-authored-by: neha <neha@posthog.com>
Co-authored-by: angelplusultra <macfittondev@gmail.com>
Co-authored-by: Timothy Carambat <rambat1010@gmail.com>
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