Adjust rich text color to not return undefined in all cases

Author: danielsaidi

Demo/iOS/EditorScreen.swift

@@ -59,7 +59,7 @@ private extension EditorScreen {
             trailingButtons: {}
         ) {
             var sheet = $0
-            sheet.colorPickers = .all
+            // sheet.colorPickers = .all
             return sheet
         }
     }

RELEASE_NOTES.md

@@ -23,6 +23,7 @@ This release starts moving types and views that relate to other types into the t
 * All types that implement `RichTextLabelValue` get a `label` that has improved accessibility.
 
 * `RichTextColor` `.adjust` now takes an optional color.
+* `RichTextColor` `.allCases` no longer returns `undefined`.
 * `RichTextFormatSheet` no longer hard-codes an accent color.
 * `RichTextStyle` views no longer use a style - use `foregroundStyle`, `tint` and `accentColor` instead. 
 

Sources/RichTextKit/Colors/RichTextColor.swift

@@ -38,6 +38,17 @@ public extension RichTextColor {
 
     /// The unique color ID.
     var id: String { rawValue }
+    
+    /// All relevant cases.
+    static var allCases: [RichTextColor] {
+        [
+            .foreground,
+            .background,
+            .strikethrough,
+            .stroke,
+            .underline
+        ]
+    }
 
     /// The corresponding rich text attribute, if any.
     var attribute: NSAttributedString.Key? {