refactor the way we render lists

pkg/gui/presentation/remote_branches.go

@@ -0,0 +1,23 @@
+package presentation
+
+import (
+	"github.com/jesseduffield/lazygit/pkg/commands"
+	"github.com/jesseduffield/lazygit/pkg/utils"
+)
+
+func GetRemoteBranchListDisplayStrings(branches []*commands.RemoteBranch) [][]string {
+	lines := make([][]string, len(branches))
+
+	for i := range branches {
+		lines[i] = getRemoteBranchDisplayStrings(branches[i])
+	}
+
+	return lines
+}
+
+// getRemoteBranchDisplayStrings returns the display string of branch
+func getRemoteBranchDisplayStrings(b *commands.RemoteBranch) []string {
+	displayName := utils.ColoredString(b.Name, GetBranchColor(b.Name))
+
+	return []string{displayName}
+}