fix: Check if color is not empty before parsing it.

androidApp/src/main/java/bou/amine/apps/readerforselfossv2/android/fragments/FilterSheetFragment.kt

@@ -149,6 +149,7 @@ class FilterSheetFragment : BottomSheetDialogFragment(), DIAware {
             c.ellipsize = TextUtils.TruncateAt.END
             c.text = tag.tag
 
+            if (tag.color.isNotEmpty()) {
                 try {
                     val gd = GradientDrawable()
                     val gdColor = try {
@@ -165,6 +166,7 @@ class FilterSheetFragment : BottomSheetDialogFragment(), DIAware {
                 } catch (e: Exception) {
                     e.sendSilentlyWithAcraWithName("tags > GradientDrawable")
                 }
+            }
 
             c.setOnCloseIconClickListener {
                 (it as Chip).isCloseIconVisible = false