fix(db-postgres): alias already in use in this query (#8823)

Fixes https://github.com/payloadcms/payload/issues/8517

Reuses existing joins instead of adding new, duplicate ones which
causes:
```
Error: Alias "" is already used in this query.
```

test/fields/collections/Array/index.ts

@@ -23,6 +23,10 @@ const ArrayFields: CollectionConfig = {
           type: 'text',
           required: true,
         },
+        {
+          name: 'anotherText',
+          type: 'text',
+        },
         {
           name: 'localizedText',
           type: 'text',

test/fields/int.spec.ts

@@ -1546,6 +1546,50 @@ describe('Fields', () => {
       expect(allLocales.localized.en[0].text).toStrictEqual(enText)
       expect(allLocales.localized.es[0].text).toStrictEqual(esText)
     })
+
+    it('should query by the same array', async () => {
+      const doc = await payload.create({
+        collection,
+        data: {
+          items: [
+            {
+              localizedText: 'test',
+              text: 'required',
+              anotherText: 'another',
+            },
+          ],
+          localized: [{ text: 'a' }],
+        },
+      })
+
+      // left join collection_items + left join collection_items_locales
+      const {
+        docs: [res],
+      } = await payload.find({
+        collection,
+        where: {
+          and: [
+            {
+              'items.localizedText': {
+                equals: 'test',
+              },
+            },
+            {
+              'items.anotherText': {
+                equals: 'another',
+              },
+            },
+            {
+              'items.text': {
+                equals: 'required',
+              },
+            },
+          ],
+        },
+      })
+
+      expect(res.id).toBe(doc.id)
+    })
   })
 
   describe('group', () => {

test/fields/payload-types.ts

@@ -353,6 +353,7 @@ export interface ArrayField {
   title?: string | null;
   items: {
     text: string;
+    anotherText?: string | null;
     localizedText?: string | null;
     subArray?:
       | {