Decrease opacity for temp basals in darkmode (#268)

FreeAPS/Resources/Assets.xcassets/Colors/Basal.colorset/Contents.json

@@ -22,10 +22,10 @@
       "color" : {
         "color-space" : "srgb",
         "components" : {
-          "alpha" : "1.000",
-          "blue" : "1.000",
-          "green" : "1.000",
-          "red" : "1.000"
+          "alpha" : "0.500",
+          "blue" : "0.988",
+          "green" : "0.588",
+          "red" : "0.118"
         }
       },
       "idiom" : "universal"