Downloadable mod icon (#1009)

* feat: display an icon next to downloadable mods

* fix: fetch verified mods list on start

* feat: add IsModInstalled function

* feat: display a red cross if a mod cannot be downloaded

* style: apply sqformat

Northstar.Client/mod/scripts/vscripts/ui/menu_ns_serverbrowser.nut

@@ -293,6 +293,9 @@ void function InitServerBrowserMenu()
 
 	// UI was cut off on some aspect ratios; not perfect
 	UpdateServerInfoBasedOnRes()
+
+	// Retrieve list of verified mods
+	thread NSFetchVerifiedModsManifesto()
 }
 
 // //////////////////////////
@@ -1094,7 +1097,20 @@ string function FillInServerModsLabel( array<RequiredModInfo> mods )
 
 	foreach ( RequiredModInfo mod in mods )
 	{
-		ret += format( "  %s v%s\n", mod.name, mod.version )
+		string template = ""
+
+		// Display nothing if the mod is installed locally
+		if ( IsCoreMod( mod.name ) || IsModInstalled( mod.name, mod.version ) )
+		{
+			template = "  %s v%s\n"
+		}
+		// Display a green checkmark if it can be downloaded, a red cross if not
+		else
+		{
+			template = NSIsModDownloadable( mod.name, mod.version ) ? "  %s v%s ^00ff0000(↓)^FFFFFFFF\n" : "  %s v%s ^ff000000(x)^FFFFFFFF\n"
+		}
+
+		ret += format( template, mod.name, mod.version )
 	}
 
 	return ret
@@ -1531,6 +1547,25 @@ array<string> function GetModVersions( string modName )
 	return versions
 }
 
+bool function IsModInstalled( string modName, string modVersion )
+{
+	array<string> versions = GetModVersions( modName )
+	if ( versions.len() == 0 )
+	{
+		return false
+	}
+
+	foreach ( string version in versions )
+	{
+		if ( version == modVersion )
+		{
+			return true
+		}
+	}
+
+	return false
+}
+
 // escapes localisation by replacing # with ^FFFFFFFF#
 string function EscapeLocalisation( string input )
 {