Replace "Give Feedback" with an icon and move it to the left

This is so we can show the current language in the status bar on
the right, and having two pieces of text sitting next to each other
felt too busy.

Co-Authored-By: Nathan Sobo <nathan@zed.dev>

styles/src/styleTree/statusBar.ts

@@ -45,8 +45,12 @@ export default function statusBar(colorScheme: ColorScheme) {
             hover: text(layer, "sans", "hovered"),
         },
         feedback: {
-            ...text(layer, "sans", "variant"),
-            hover: text(layer, "sans", "hovered"),
+            color: foreground(layer, "variant"),
+            iconWidth: 14,
+            buttonWidth: 20,
+            hover: {
+              color: foreground(layer, "on"),
+            },
         },
         diagnosticSummary: {
             height: 20,