Minor fix to BarChart

Helps mitigate situations where the widgets mysteriously fail to render.
The user can always force a refresh by opening the app.

uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/list/ListHabitsActivity.kt

@@ -102,8 +102,9 @@ class ListHabitsActivity : AppCompatActivity(), Preferences.Listener {
         taskRunner.run {
             try {
                 AutoBackup(this@ListHabitsActivity).run()
+                appComponent.widgetUpdater.updateWidgets()
             } catch (e: Exception) {
-                Log.e("ListHabitActivity", "AutoBackup task failed", e)
+                Log.e("ListHabitActivity", "TaskRunner failed", e)
             }
         }
         if (prefs.theme == THEME_DARK && prefs.isPureBlackEnabled != pureBlack) {

uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/list/ListHabitsScreen.kt

@@ -225,7 +225,7 @@ class ListHabitsScreen
     override fun showColorPicker(defaultColor: PaletteColor, callback: OnColorPickedCallback) {
         val picker = colorPickerFactory.create(defaultColor, themeSwitcher.currentTheme!!)
         picker.setListener(callback)
-        picker.dialog?.dismissCurrentAndShow()
+        picker.dismissCurrentAndShow(activity.supportFragmentManager, "picker")
     }
 
     override fun showNumberPopup(

uhabits-core/src/jvmMain/java/org/isoron/uhabits/core/ui/views/BarChart.kt

@@ -92,7 +92,7 @@ class BarChart(
             val r = round(barWidth * 0.15)
             if (2 * r < barHeight) {
                 canvas.fillRect(x, y + r, barWidth, barHeight - r)
-                canvas.fillRect(x + r, y, barWidth - 2 * r, r)
+                canvas.fillRect(x + r, y, barWidth - 2 * r, r + 1)
                 canvas.fillCircle(x + r, y + r, r)
                 canvas.fillCircle(x + barWidth - r, y + r, r)
             } else {