add default browser selection overflow menu item

[LukasPaczos]

Task/Issue URL: https://app.asana.com/0/72649045549333/1208944504536342/f

Description

Adds an overflow menu item that advertises setting DuckDuckGo as the default browser.

The introduced item is not yet used anywhere and click listeners/handlers will be added in following PRs.

Steps to test this PR

As an example, apply below diff and the item will show up whenever you open the overflow menu.

diff --git a/app/src/main/java/com/duckduckgo/app/browser/viewstate/BrowserViewState.kt b/app/src/main/java/com/duckduckgo/app/browser/viewstate/BrowserViewState.kt
index bfb487f1e..5db2efe5b 100644
--- a/app/src/main/java/com/duckduckgo/app/browser/viewstate/BrowserViewState.kt
+++ b/app/src/main/java/com/duckduckgo/app/browser/viewstate/BrowserViewState.kt
@@ -34,7 +34,7 @@ data class BrowserViewState(
     val showTabsButton: Boolean = true,
     val fireButton: HighlightableButton = HighlightableButton.Visible(),
     val showMenuButton: HighlightableButton = HighlightableButton.Visible(),
-    val showSelectDefaultBrowserMenuItem: Boolean = false,
+    val showSelectDefaultBrowserMenuItem: Boolean = true,
     val canSharePage: Boolean = false,
     val canSaveSite: Boolean = false,
     val bookmark: SavedSite.Bookmark? = null,

UI changes

Light	Dark

[LukasPaczos]

I assumed that we want to keep each text view's string separate to avoid potential changes impacting other text views unexpectedly. And since we already had the same string translated, I copied that around.

[LukasPaczos]

Is common-ui the right place for the new icon? Or should it land in app @malmstein?

[LukasPaczos]

Is common-ui the right place for the new color? Or should it land in app @malmstein?