Simple antd types for each inspectable type

Summary:
Replace draft inspectors with read-only components.

This is a first step into having a richer UI. At the moment, these are read-only components but will likely be extended in the future as to allow editing of values.

Reviewed By: LukeDefeo

Differential Revision: D40345016

fbshipit-source-id: a6aef5861474b4aa8353c00ef257ab17b4cff00e

desktop/flipper-plugin/src/ui/theme.tsx

@@ -50,6 +50,7 @@ export const theme = {
     large: '16px',
     default: '14px',
     small: '12px',
+    smaller: '10px',
   } as const,
   monospace: {
     fontFamily: 'SF Mono,Monaco,Andale Mono,monospace',