fix: fix oracle plugin info (#22432)

## Description
- Update plugin name to `Oracle` from `Oracle plugin`
- Update plugin icon

Related to #20796 

## Type of change
- Bug fix (non-breaking change which fixes an issue)

## How Has This Been Tested?
- Manual

### Test Plan
> Add Testsmith test cases links that relate to this PR

### Issues raised during DP testing
> Link issues raised during DP testing for better visiblity and tracking
(copy link from comments dropped on this PR)

## Checklist:
### Dev activity
- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my own code
- [ ] I have commented my code, particularly in hard-to-understand areas
- [ ] I have made corresponding changes to the documentation
- [ ] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit tests pass locally with my changes
- [x] PR is being merged under a feature flag


### QA activity:
- [ ] Test plan has been approved by relevant developers
- [ ] Test plan has been peer reviewed by QA
- [ ] Cypress test cases have been added and approved by either SDET or
manual QA
- [ ] Organized project review call with relevant stakeholders after
Round 1/2 of QA
- [ ] Added Test Plan Approved label after reveiwing all Cypress test

app/server/appsmith-server/src/main/java/com/appsmith/server/migrations/DatabaseChangelog2.java

@@ -2812,12 +2812,12 @@ public class DatabaseChangelog2 {
     @ChangeSet(order = "042", id = "add-oracle-plugin", author = "")
     public void addOraclePlugin(MongoTemplate mongoTemplate) {
         Plugin plugin = new Plugin();
-        plugin.setName("Oracle Plugin");
+        plugin.setName("Oracle");
         plugin.setType(PluginType.DB);
         plugin.setPackageName("oracle-plugin");
         plugin.setUiComponent("DbEditorForm");
         plugin.setResponseType(Plugin.ResponseType.TABLE);
-        plugin.setIconLocation("https://s3.us-east-2.amazonaws.com/assets.appsmith.com/oracle-db.jpg");
+        plugin.setIconLocation("https://s3.us-east-2.amazonaws.com/assets.appsmith.com/oracle.png");
         plugin.setDocumentationLink("https://docs.appsmith.com/datasource-reference/querying-oracle");
         plugin.setDefaultInstall(true);
         try {
@@ -2827,4 +2827,12 @@ public class DatabaseChangelog2 {
         }
         installPluginToAllWorkspaces(mongoTemplate, plugin.getId());
     }
+
+    @ChangeSet(order = "043", id = "update-oracle-plugin-name", author = "")
+    public void updateOraclePluginName(MongoTemplate mongoTemplate) {
+        Plugin oraclePlugin = mongoTemplate.findOne(query(where("packageName").is("oracle-plugin")), Plugin.class);
+        oraclePlugin.setName("Oracle");
+        oraclePlugin.setIconLocation("https://s3.us-east-2.amazonaws.com/assets.appsmith.com/oracle.png");
+        mongoTemplate.save(oraclePlugin);
+    }
 }