fix widget color bar: use Spacer with background instead of border trick

app/src/main/java/space/darkest/nova/android/ui/AgendaScreen.kt

@@ -187,7 +187,7 @@ private fun EventCard(event: AgendaEvent) {
                     .width(4.dp)
                     .fillMaxHeight()
                     .clip(RoundedCornerShape(2.dp))
-                    .background(Color(event.calendarColor)),
+                    .background(Color(event.calendarColor).copy(alpha = 1f)),
             )
 
             Spacer(Modifier.width(12.dp))

app/src/main/java/space/darkest/nova/android/widget/AgendaWidget.kt

@@ -217,20 +217,19 @@ class AgendaWidget : GlanceAppWidget() {
 
             Spacer(GlanceModifier.width(8.dp))
 
-            // color bar as left border - stretches with content automatically
-            Box(
+            // color indicator
+            Spacer(
                 modifier = GlanceModifier
-                    .defaultWeight()
-                    .background(GlanceTheme.colors.primary)
-                    .cornerRadius(4.dp),
-            ) {
-                Column(
-                    modifier = GlanceModifier
-                        .fillMaxWidth()
-                        .padding(start = 3.dp)
-                        .background(GlanceTheme.colors.widgetBackground),
-                ) {
-                    Column(modifier = GlanceModifier.padding(start = 8.dp, top = 2.dp, bottom = 2.dp)) {
+                    .width(3.dp)
+                    .height(16.dp)
+                    .cornerRadius(2.dp)
+                    .background(GlanceTheme.colors.primary),
+            )
+
+            Spacer(GlanceModifier.width(8.dp))
+
+            // event details
+            Column(modifier = GlanceModifier.defaultWeight()) {
                 Text(
                     text = event.title,
                     style = TextStyle(
@@ -253,8 +252,6 @@ class AgendaWidget : GlanceAppWidget() {
             }
         }
     }
-        }
-    }
 
     companion object {
         private val timeFormatter = DateTimeFormatter.ofPattern("HH:mm")