Remove outlines from buttons until we fix radix-ui issues (tldraw#4855)

This PR removes focus outlines on buttons. There are persistent bugs
with menu items that look cheap and bad and which we haven't been able
to solve. If we solve them then we can bring back the outlines.

![Kapture 2024-11-05 at 09 29
41](https://github.com/user-attachments/assets/063cc2e4-032c-47b7-981a-761729b79951)

### Change type

- [x] `bugfix`

### Release notes

- Fixed a bug with focus outlines appearing in menu items at the wrong
time.

packages/editor/editor.css

@@ -110,7 +110,7 @@
 	--tl-font-sans: 'tldraw_sans', sans-serif;
 	--tl-font-serif: 'tldraw_serif', serif;
 	--tl-font-mono: 'tldraw_mono', monospace;
-	/* fext outline */
+	/* text outline */
 	--a: calc(min(0.5, 1 / var(--tl-zoom)) * 2px);
 	--b: calc(min(0.5, 1 / var(--tl-zoom)) * -2px);
 	--tl-text-outline-reference: 0 var(--b) 0 var(--color-background),

packages/tldraw/src/lib/ui.css

@@ -62,7 +62,9 @@
 }
 
 .tlui-button:focus-visible:not(:hover) {
-	outline: 1px solid var(--color-selected);
+	/* todo: fix the indicator errors in radix dropdown menus before restoring */
+	/* outline: 1px solid var(--color-selected); */
+	outline: none;
 	outline-offset: -4px;
 	border-radius: var(--radius-3);
 }