[Analytics Hub] Requested design enhancements

[rachelmcr]

The following Analytics Hub design enhancements were identified in a design review after the Expanded Analytics Hub release:

### Tasks
- [ ] Fix missing charts when the Analytics Hub is first loaded
- [ ] Use Google Material symbol for edit icon
- [ ] Use Google Material symbol in data range selector
- [ ] Larger font size for analytics card titles
- [ ] Vertically align chart with badge
- [ ] 24pt gap between badge and chart
- [ ] Don’t bold the "See report" link
- [ ] Adjust analytics card vertical spacing
- [ ] Missing toolbar shadow
- [ ] You can hide all cards on Android; the final card should be disabled as on iOS
- [ ] Change red icon to grey when Sessions card can't be displayed
- [ ] Update card style to match My Store design: pe5sF9-2DL-p2#changes-to-my-store

See discussion (including link to Figma file): pe5pgL-4pB-p2#comment-3998

[dangermattic]

Thanks for reporting! 👍