[PLAY-1799] Date Dark Mode Audit (#4174)

**What does this PR do?** A clear and concise description with your
runway ticket url.
Updates the Unstyled and Default React Doc so that dark mode prop
transposes `Title` and `Caption` components.

[Story PLAY-1799](https://runway.powerhrg.com/backlog_items/PLAY-1799)
**Screenshots:** Screenshots to visualize your addition/change
![Screenshot 2025-01-24 at 11 57
00 AM](https://github.com/user-attachments/assets/9e462765-a43b-42af-b45d-3ba31f328a6e)
![Screenshot 2025-01-24 at 11 57
18 AM](https://github.com/user-attachments/assets/581e5052-9d2b-4cae-a811-fc4f0143eb72)


**How to test?** Steps to confirm the desired behavior:
1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See addition/change


#### Checklist:
- [x] **LABELS** Add a label: `enhancement`, `bug`, `improvement`, `new
kit`, `deprecated`, or `breaking`. See [Changelog &
Labels](https://github.com/powerhome/playbook/wiki/Changelog-&-Labels)
for details.
- [x] **DEPLOY** I have added the `milano` label to show I'm ready for a
review.
- [ ] **TESTS** I have added test coverage to my code.

playbook/app/pb_kits/playbook/pb_date/_date.tsx

@@ -14,6 +14,7 @@ type PbDateProps = {
   alignment?: "left" | "center" | "right";
   aria?: { [key: string]: string };
   className?: string;
+  dark?: boolean;
   data?: { [key: string]: string };
   htmlOptions?: { [key: string]: string | number | boolean | (() => void) };
   id?: string;
@@ -29,6 +30,7 @@ const PbDate = (props: PbDateProps): React.ReactElement => {
     aria = {},
     alignment = "left",
     className,
+    dark = false,
     data = {},
     htmlOptions = {},
     id,
@@ -56,7 +58,7 @@ const PbDate = (props: PbDateProps): React.ReactElement => {
   );
 
   return (
-    <div 
+    <div
         {...ariaProps}
         {...dataProps}
         {...htmlProps}
@@ -93,7 +95,9 @@ const PbDate = (props: PbDateProps): React.ReactElement => {
           </>
         : size == "md" || size == "lg"
           ? (
-            <Title size={4}
+            <Title
+                dark={dark}
+                size={4}
                 tag="h4"
             >
               {showIcon && (
@@ -127,6 +131,7 @@ const PbDate = (props: PbDateProps): React.ReactElement => {
               <>
                 {showIcon && (
                   <Caption className="pb_icon_kit_container"
+                      dark={dark}
                       tag="span"
                   >
                     <Icon fixedWidth
@@ -138,15 +143,20 @@ const PbDate = (props: PbDateProps): React.ReactElement => {
 
                 {showDayOfWeek && (
                   <>
-                    <Caption tag="div">{weekday}</Caption>
+                    <Caption dark={dark}
+                        tag="div">
+                        {weekday}
+                    </Caption>
                     <Caption color="light"
+                        dark={dark}
                         tag="div"
                         text=" • "
                     />
                   </>
                 )}
 
-                <Caption tag="span">
+                <Caption dark={dark}
+                    tag="span">
                   {month} {day}
                   {currentYear != year && <>{`, ${year}`}</>}
                 </Caption>

playbook/app/pb_kits/playbook/pb_date/docs/_date_default.jsx

@@ -18,7 +18,7 @@ const DateDefault = (props) => {
             value={"2012-08-03"}
             {...props}
         />
-        <Caption>{"(Hyphenated Date)"}</Caption>
+        <Caption {...props}>{"(Hyphenated Date)"}</Caption>
       </div>
 
       <br />
@@ -56,6 +56,7 @@ const DateDefault = (props) => {
         <Title
             size={4}
             text={"(Hyphenated Date)"}
+            {...props}
         />
       </div>
 

playbook/app/pb_kits/playbook/pb_date/docs/_date_unstyled.jsx

@@ -4,7 +4,8 @@ import { Caption, Date as FormattedDate, Title } from 'playbook-ui'
 const DateUnstyled = (props) => {
   return (
     <>
-      <Caption size="xs"
+      <Caption {...props}
+          size="xs"
           text="Basic unstyled example"
       />
       <FormattedDate
@@ -15,10 +16,14 @@ const DateUnstyled = (props) => {
 
       <br />
 
-      <Caption size="xs"
+      <Caption {...props}
+
+          size="xs"
           text="Example with wrapping typography kit"
       />
-      <Title size={1}>
+      <Title {...props}
+          size={1}
+      >
         <FormattedDate
             unstyled
             value={new Date('25 Dec 1995')}
@@ -28,10 +33,13 @@ const DateUnstyled = (props) => {
 
       <br />
 
-      <Caption size="xs"
+      <Caption {...props}
+          size="xs"
           text="Example with icon + subcaption"
       />
-      <Caption size="xs">
+      <Caption {...props}
+          size="xs"
+      >
         <FormattedDate
             showDayOfWeek
             showIcon