Use primary color for excluded tristate filter icon (fixes #7360)

(cherry picked from commit 3ca1ce463696e2e8eabf63c1e729dbdd2ffe1f71)

app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/filter/TriStateItem.kt

@@ -42,10 +42,10 @@ open class TriStateItem(val filter: Filter.TriState) : AbstractFlexibleItem<TriS
                 else -> throw Exception("Unknown state")
             },
         )?.apply {
-            val color = if (filter.state == Filter.TriState.STATE_INCLUDE) {
-                view.context.getResourceColor(R.attr.colorAccent)
-            } else {
+            val color = if (filter.state == Filter.TriState.STATE_IGNORE) {
                 view.context.getResourceColor(R.attr.colorOnBackground, 0.38f)
+            } else {
+                view.context.getResourceColor(R.attr.colorPrimary)
             }
 
             setTint(color)