Style: Larger Node Text, More Sidebar Alignment (#7223)

## Summary

See what it looks like. How it feels. What do you think?

- Also was able to unify down to a single SearchBox component.

## Changes

- Bigger widget / slot labels
- Smaller header text
- Unified Searchboxes across sidebar tabs

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-7223-Style-prototype-with-larger-node-text-2c36d73d365081f8a371c86f178fa1ff)
by [Unito](https://www.unito.io)

---------

Co-authored-by: github-actions <github-actions@github.com>

packages/design-system/src/css/style.css

@@ -98,7 +98,6 @@
   --color-bypass: #6a246a;
   --color-error: #962a2a;
 
-  --color-comfy-menu-secondary: var(--comfy-menu-secondary-bg);
 
   --color-interface-panel-job-progress-primary: var(--color-azure-300);
   --color-interface-panel-job-progress-secondary: var(--color-alpha-azure-600-30);
@@ -438,7 +437,11 @@
   --color-interface-button-hover-surface: var(
     --interface-button-hover-surface
   );
+  --color-comfy-input: var(--comfy-input-bg);
+  --color-comfy-input-foreground: var(--input-text);
   --color-comfy-menu-bg: var(--comfy-menu-bg);
+  --color-comfy-menu-secondary: var(--comfy-menu-secondary-bg);
+
   --color-interface-stroke: var(--interface-stroke);
   --color-nav-background: var(--nav-background);
   --color-node-border: var(--node-border);