chore: Fix hashtag follow button style

Mastodon/Scene/HashtagTimeline/HashtagTimelineHeaderView.swift

@@ -157,18 +157,10 @@ extension HashtagTimelineHeaderView {
 
         followButton.backgroundColor = entity.following == true ? Asset.Colors.Button.tagUnfollow.color : Asset.Colors.Button.tagFollow.color
         
-        switch traitCollection.userInterfaceStyle {
-        case .dark:
-            followButton.setTitleColor(
-                .lightGray,
-                for: .normal
-            )
-        default:
-            followButton.setTitleColor(
-                entity.following == true ? Asset.Colors.Button.tagFollow.color : Asset.Colors.Button.tagUnfollow.color,
-                for: .normal
-            )
-        }
+        followButton.setTitleColor(
+            entity.following == true ? Asset.Colors.Button.tagFollow.color : Asset.Colors.Button.tagUnfollow.color,
+            for: .normal
+        )
 
         postCountLabel.text = String(entity.postCount)
         participantsLabel.text = String(entity.participantsCount)

Mastodon/Scene/HashtagTimeline/HashtagTimelineHeaderViewActionButton.swift

@@ -22,8 +22,17 @@ class HashtagTimelineHeaderViewActionButton: RoundedEdgesButton {
     public override func layoutSubviews() {
         super.layoutSubviews()
 
+        let shadowColor: UIColor = {
+            switch traitCollection.userInterfaceStyle {
+            case .dark:
+                return .darkGray
+            default:
+                return .lightGray
+            }
+        }()
+        
         layer.setupShadow(
-            color: .lightGray,
+            color: shadowColor,
             alpha: 1,
             x: 0,
             y: 1,

MastodonSDK/Sources/MastodonAsset/Assets.xcassets/Colors/Button/tagFollow.colorset/Contents.json

@@ -22,10 +22,10 @@
       "color" : {
         "color-space" : "srgb",
         "components" : {
-          "alpha" : "0.700",
-          "blue" : "0x38",
-          "green" : "0x29",
-          "red" : "0x2B"
+          "alpha" : "1.000",
+          "blue" : "0xFF",
+          "green" : "0xFF",
+          "red" : "0xFF"
         }
       },
       "idiom" : "universal"

MastodonSDK/Sources/MastodonAsset/Assets.xcassets/Colors/Button/tagUnfollow.colorset/Contents.json

@@ -22,7 +22,7 @@
       "color" : {
         "color-space" : "srgb",
         "components" : {
-          "alpha" : "0.250",
+          "alpha" : "1.000",
           "blue" : "0x38",
           "green" : "0x29",
           "red" : "0x2B"