[App Management] UI Fix-up for Medium Priority Issues.

This CL fixes some relatively subtle but important issues of UI including:
1. Bad wrapping behavior in permission header for small windows
2. Permission row is not fully clickable
3. The resize behaviour is not consistent with other projects
4. The scroll behavior is bad in small window
5. Item's cursor is default instead of a pointer, and it is now user-selectible
6. Change the min-width of cr-card-elevation to ensure the consistency across
bookmarks, history, setting, downloads, and extension

Bug: 906508
Change-Id: I008c3a4f28fabc71c79da549fc860d37f7aa503c
Reviewed-on: https://chromium-review.googlesource.com/c/1425843
Commit-Queue: Cecilia Ni <ceciliani@google.com>
Reviewed-by: calamity <calamity@chromium.org>
Reviewed-by: Eric Willigers <ericwilligers@chromium.org>
Cr-Commit-Position: refs/heads/master@{#631544}
10 files changed