feat: brwoser button (#22871)

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## **Description**
add browser button

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2. What is the improvement/solution?
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CHANGELOG entry: add browser button

## **Related issues**

Fixes:

## **Manual testing steps**

```gherkin
Feature: my feature name

  Scenario: user [verb for user action]
    Given [describe expected initial app state]

    When user [verb for user action]
    Then [describe expected outcome]
```

## **Screenshots/Recordings**

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### **Before**

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### **After**

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https://github.com/user-attachments/assets/392276db-5423-45fd-b4ab-cae558e16c4b



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## **Pre-merge reviewer checklist**

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<!-- CURSOR_SUMMARY -->
---

> [!NOTE]
> Adds a browser button that displays the open tab count and refactors
search bar layout/padding across Trending and Explore screens, with
tests for states and navigation.
> 
> - **TrendingView UI**
> - Replaces header controls with a row containing `ExploreSearchBar`
and a bordered browser button.
> - Browser button now shows `browser.tabs.length` as a `ButtonLink`
label; falls back to `Add` icon when zero.
> - Integrates theme colors for border and updates padding
(`px-4`/`pb-3`).
> - **ExploreSearchBar**
> - Removes outer padding wrapper; exposes just the row layout and
content.
> - Keeps interactive mode clear/cancel; cancel rendered alongside input
when focused.
> - **ExploreSearchScreen**
>   - Wraps `ExploreSearchBar` in a padded container (`px-4 pb-3`).
> - **Tests** (`TrendingView.test.tsx`)
> - Adds cases for browser button states (0/1/many tabs) and navigation
to `TrendingBrowser`.
>   - Verifies presence of search bar button and header title.
> 
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
72174b6. This will update automatically
on new commits. Configure
[here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->

Author: salimtb

app/components/Views/TrendingView/ExploreSearchBar/ExploreSearchBar.tsx

@@ -101,40 +101,38 @@ const ExploreSearchBar: React.FC<ExploreSearchBarProps> = (props) => {
   );
 
   return (
-    <Box twClassName="px-4 pb-3">
-      <Box
-        flexDirection={BoxFlexDirection.Row}
-        alignItems={BoxAlignItems.Center}
-        twClassName="gap-2"
-      >
-        {isButtonMode ? (
-          <TouchableOpacity
-            onPress={props.onPress}
-            testID="explore-view-search-button"
-            activeOpacity={0.7}
-            style={tw.style('flex-1')}
-          >
-            {searchBarContent}
-          </TouchableOpacity>
-        ) : (
-          <>
-            <Box twClassName="flex-1">{searchBarContent}</Box>
-            {props.isSearchFocused && (
-              <TouchableOpacity
-                onPress={handleCancel}
-                testID="explore-search-cancel-button"
+    <Box
+      flexDirection={BoxFlexDirection.Row}
+      alignItems={BoxAlignItems.Center}
+      twClassName="gap-2"
+    >
+      {isButtonMode ? (
+        <TouchableOpacity
+          onPress={props.onPress}
+          testID="explore-view-search-button"
+          activeOpacity={0.7}
+          style={tw.style('flex-1')}
+        >
+          {searchBarContent}
+        </TouchableOpacity>
+      ) : (
+        <>
+          <Box twClassName="flex-1">{searchBarContent}</Box>
+          {props.isSearchFocused && (
+            <TouchableOpacity
+              onPress={handleCancel}
+              testID="explore-search-cancel-button"
+            >
+              <Text
+                variant={TextVariant.BodyMd}
+                style={tw.style('text-default font-medium')}
               >
-                <Text
-                  variant={TextVariant.BodyMd}
-                  style={tw.style('text-default font-medium')}
-                >
-                  {strings('transaction.cancel')}
-                </Text>
-              </TouchableOpacity>
-            )}
-          </>
-        )}
-      </Box>
+                {strings('transaction.cancel')}
+              </Text>
+            </TouchableOpacity>
+          )}
+        </>
+      )}
     </Box>
   );
 };

app/components/Views/TrendingView/ExploreSearchScreen/ExploreSearchScreen.tsx

@@ -21,13 +21,15 @@ const ExploreSearchScreen: React.FC = () => {
 
   return (
     <Box style={{ paddingTop: insets.top }} twClassName="flex-1 bg-default">
-      <ExploreSearchBar
-        type="interactive"
-        isSearchFocused
-        searchQuery={searchQuery}
-        onSearchChange={setSearchQuery}
-        onCancel={handleSearchCancel}
-      />
+      <Box twClassName="px-4 pb-3">
+        <ExploreSearchBar
+          type="interactive"
+          isSearchFocused
+          searchQuery={searchQuery}
+          onSearchChange={setSearchQuery}
+          onCancel={handleSearchCancel}
+        />
+      </Box>
 
       <PerpsConnectionProvider>
         <PerpsStreamProvider>