fix(mobile): align report error icon

mobile/src/components/MobileRootErrorBoundary.tsx

@@ -1,5 +1,5 @@
 import { Component, Fragment, type ErrorInfo, type ReactNode } from 'react'
-import { AlertTriangle, Bug, House, RefreshCw } from 'lucide-react-native'
+import { AlertTriangle, House, RefreshCw } from 'lucide-react-native'
 import { Pressable, StyleSheet, Text, View } from 'react-native'
 import { colors, radii, spacing, typography } from '../theme/mobile-theme'
 import {
@@ -108,7 +108,7 @@ function MobileRootErrorFallback({
           style={styles.secondaryButton}
           onPress={onReport}
         >
-          <Bug size={16} color={colors.textPrimary} />
+          <AlertTriangle size={16} color={colors.textPrimary} />
           <Text style={styles.secondaryButtonText}>Report error</Text>
         </Pressable>
       </View>

mobile/src/components/mobile-root-error-boundary.test.tsx

@@ -24,7 +24,6 @@ vi.mock('react-native', () => ({
 }))
 vi.mock('lucide-react-native', () => ({
   AlertTriangle: 'AlertTriangle',
-  Bug: 'Bug',
   House: 'House',
   RefreshCw: 'RefreshCw'
 }))
@@ -126,6 +125,7 @@ describe('mobile root error boundary', () => {
       expect.objectContaining({ backgroundColor: colors.bgRaised })
     )
     expect(buttons[1]?.findByType('House').props.color).toBe(colors.textPrimary)
+    expect(buttons[2]?.findByType('AlertTriangle').props.color).toBe(colors.textPrimary)
 
     act(() => buttons[2]?.props.onPress())
     expect(mocks.shareDiagnostics).toHaveBeenCalledOnce()