fix(editor): text color on toolbar when connector is selected (#12360)

Closes: [BS-3511](https://linear.app/affine-design/issue/BS-3511/当选中-connector-时，toolbar-上文字颜色选项颜色显示不正确)

<!-- This is an auto-generated comment: release notes by coderabbit.ai -->

## Summary by CodeRabbit

- **Tests**
  - Added end-to-end tests for the edgeless connector feature, verifying toolbar text color functionality and theme-based color changes.
- **Refactor**
  - Improved performance of text toolbar actions by optimizing internal data handling for font and color selection. No changes to visible behavior.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

blocksuite/affine/gfx/text/src/toolbar/actions.ts

@@ -127,18 +127,18 @@ export function createTextActions<
         );
         if (!allowed) return null;
 
+        const mappedModels = models.map(mapInto);
+
         const fontFamily =
-          getMostCommonValue(models.map(mapInto), 'fontFamily') ??
-          FontFamily.Inter;
+          getMostCommonValue(mappedModels, 'fontFamily') ?? FontFamily.Inter;
         const styleInfo = { fontFamily: TextUtils.wrapFontFamily(fontFamily) };
 
         const onPick = (fontFamily: FontFamily) => {
           let fontWeight =
-            getMostCommonValue(models.map(mapInto), 'fontWeight') ??
+            getMostCommonValue(mappedModels, 'fontWeight') ??
             FontWeight.Regular;
           let fontStyle =
-            getMostCommonValue(models.map(mapInto), 'fontStyle') ??
-            FontStyle.Normal;
+            getMostCommonValue(mappedModels, 'fontStyle') ?? FontStyle.Normal;
 
           if (!isFontWeightSupported(fontFamily, fontWeight)) {
             fontWeight = FontWeight.Regular;
@@ -199,11 +199,13 @@ export function createTextActions<
             ? DefaultTheme.shapeTextColor
             : DefaultTheme.textColor;
 
+        const mappedModels = models.map(mapInto);
+
         const field = 'color';
-        const firstModel = models[0];
-        const originalColor = mapInto(firstModel)[field];
+        const firstModel = mappedModels[0];
+        const originalColor = firstModel[field];
         const color =
-          getMostCommonResolvedValue(models, field, color =>
+          getMostCommonResolvedValue(mappedModels, field, color =>
             resolveColor(color, theme)
           ) ?? resolveColor(defaultColor, theme);