refactor: move GestureHandlerButton to shared components

[i1skn]

What changed (plus any additional context for devs)

• Moved GestureHandlerButton from Swap-specific scope into shared components:
  • src/__swaps__/screens/Swap/components/GestureHandlerButton.tsx -> src/components/buttons/GestureHandlerButton.tsx
• Updated all imports that previously referenced the Swap path to use:
  • @/components/buttons/GestureHandlerButton
  • Updated Swap-internal relative imports to the same shared path for consistency.
• Exported the component from the shared buttons barrel:
  • src/components/buttons/index.js

Screen recordings / screenshots

• N/A (refactor only; no UI behavior changes intended)

[i1skn]

• fix(android): add gap between token list sheet and keyboard (APP-3442) #7107
• feat: add search header to perps/prediction flows token selector #7098
• refactor: extract token search input and button #7093
• refactor: move shared border and separator constants to styles/constants #7101
• refactor: move GestureHandlerButton to shared components #7099 👈 (View in Graphite)
• develop

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[github-actions]

Launch in simulator or device for 900a510

[github-actions]

🧪 Flashlight Performance Report (AWS Device Farm)

🔀 Commit: 8d0b8da

📎 View Artifacts

Metric	Current	Δ vs Baseline
Time to Interactive (TTI)	5490 ms	🔴 +55.7 ms (+1.0%)
Average FPS	55.54	🔴 -1.3 (-2.2%)
Average RAM	402.5 MB	🔴 +9.5 MB (+2.4%)

[github-actions]

Launch in simulator or device for 8d0b8da