fix: should render spaces other than U+0020 when white-space: normal (

#557)

### Description
Should render spaces other than U+0020 when `white-space: normal`.

Before:

![image](https://github.com/vercel/satori/assets/22126563/132f9345-88ff-4ee7-8dcf-5a290a8f2ed6)

After:

![image](https://github.com/vercel/satori/assets/22126563/78d61815-7695-4b48-900b-b481d8891047)

src/text/index.ts

@@ -264,7 +264,6 @@ export default async function* buildTextNodes(
       }
       if (forceBreak || willWrap) {
         // Start a new line, spaces can be ignored.
-        // @TODO Lack of support for Japanese spacing
         if (shouldCollapseTabsAndSpaces && word === Space) {
           w = 0
         }

src/text/processor.ts

@@ -148,7 +148,7 @@ function processWhiteSpace(
   }
 
   if (shouldCollapseTabsAndSpaces) {
-    content = content.replace(/([ ]|\t)+/g, Space).trim()
+    content = content.replace(/([ ]|\t)+/g, Space).replace(/^[ ]|[ ]$/g, '')
   }
 
   return { content, shouldCollapseTabsAndSpaces, allowSoftWrap }

test/white-space.test.tsx

@@ -9,13 +9,19 @@ describe('white-space', () => {
 
   describe('normal', () => {
     it('should not render extra spaces with `white-space: normal`', async () => {
+      const EnSpace = String.fromCodePoint(Number('0x2002'))
+
       const svg = await satori(
         <div
           style={{
             whiteSpace: 'normal',
+            display: 'flex',
+            flexDirection: 'column',
           }}
         >
-          {' hello '}
+          <div>{'hello'}</div>
+          <div>{' hello '}</div>
+          <div>{EnSpace + 'hello'}</div>
         </div>,
         {
           width: 100,