Swap out primary UI color for Zoo brand blue, add theme color setting to control its hue (#2017)

* Add a setting for themeColor

* Add primary-color to Tailwind, driven by themeColor setting

* Get rid of most uses of "energy" colors

* Change out the rest of the energy colors

* Tweak NetworkHealthIndicator light mode checkmarks

* Handful of other CSS tweaks while I'm here:
- remove the AppHeader bg and border
- pane margins
- better dark mode button styles

* Make Zoo logomark a badge

* A snapshot a day keeps the bugs away! 📷🐛 (OS: ubuntu)

* Re-run CI post-snapshots

* A snapshot a day keeps the bugs away! 📷🐛 (OS: ubuntu)

* Retrigger CI

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

src/components/CommandBar/CommandArgOptionInput.tsx

@@ -141,7 +141,7 @@ function CommandArgOptionInput({
             <Combobox.Option
               key={option.name}
               value={option}
-              className="flex items-center gap-2 px-4 py-1 first:mt-2 last:mb-2 ui-active:bg-energy-10/50 dark:ui-active:bg-chalkboard-90"
+              className="flex items-center gap-2 px-4 py-1 first:mt-2 last:mb-2 ui-active:bg-primary/10 dark:ui-active:bg-chalkboard-90"
             >
               <p className="flex-grow">{option.name} </p>
               {option.value === currentOption?.value && (