Use actual ellipsis character instead of ... to truncate strings

Space is scarce in lazygit's UI, and using ... wastes a lot of it.

pkg/utils/formatting.go

@@ -161,10 +161,10 @@ func MaxFn[T any](items []T, fn func(T) int) int {
 
 // TruncateWithEllipsis returns a string, truncated to a certain length, with an ellipsis
 func TruncateWithEllipsis(str string, limit int) string {
-	if runewidth.StringWidth(str) > limit && limit <= 3 {
+	if runewidth.StringWidth(str) > limit && limit <= 2 {
 		return strings.Repeat(".", limit)
 	}
-	return runewidth.Truncate(str, limit, "...")
+	return runewidth.Truncate(str, limit, "…")
 }
 
 func SafeTruncate(str string, limit int) string {

pkg/utils/formatting_test.go

@@ -107,22 +107,22 @@ func TestTruncateWithEllipsis(t *testing.T) {
 		{
 			"hello world !",
 			3,
-			"...",
+			"he…",
 		},
 		{
 			"hello world !",
 			4,
-			"h...",
+			"hel…",
 		},
 		{
 			"hello world !",
 			5,
-			"he...",
+			"hell…",
 		},
 		{
 			"hello world !",
 			12,
-			"hello wor...",
+			"hello world…",
 		},
 		{
 			"hello world !",
@@ -137,13 +137,18 @@ func TestTruncateWithEllipsis(t *testing.T) {
 		{
 			"大大大大",
 			5,
-			"大...",
+			"大大…",
 		},
 		{
 			"大大大大",
 			2,
 			"..",
 		},
+		{
+			"大大大大",
+			1,
+			".",
+		},
 		{
 			"大大大大",
 			0,