[Epic] Native stack trace improvements

[malwilley]

There are a number of improvements we can make to the stacktrace components, focusing mostly on feedback related to native traces.

Tasks

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1. Stack trace: Use gray and italicized text for system frames #50691
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2. Stack trace: Remove "System" frame tags #50693
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3. Native stack trace: Remove green "successful symbolication" checkmarks #50694
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4. Stack trace: Ensure that frame labels (In App or System) stay aligned #50695
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5. Native stack trace: Reduce size of frame address hitbox #50696
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6. Settings: Change wording of stack trace preference to match text on issue details page #50697
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7. Native stack trace: Add space between function name and file #50698
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8. Stack trace: Add feature flag for italicized text and individual frame expansion #52591
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9. Stack trace: Add "show/hide [x] more frames" toggle #52592
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10. Native stack trace: Add "show/hide [x] more frames" toggle #53300
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11. Create shared components and util functions for the hidden frames toggle logic #53341
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12. Stack trace: Feature flag cleanup #53886
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