fix: rts fat container docker image (#16092)

## Description

- Added the removal of rts previous build before building new image
- Fixed Fat container copying of dist folder to rts image directory path in docker container

Fixes #16091

## Type of change

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

## How Has This Been Tested?

> Please describe the tests that you ran to verify your changes. Provide instructions, so we can reproduce.
> Please also list any relevant details for your test configuration.

- Test A
- Test B

## Checklist:

- [ ] My code follows the style guidelines of this project
- [ ] 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
- [ ] New and existing unit tests pass locally with my changes

Dockerfile

@@ -59,7 +59,7 @@ COPY ${PLUGIN_JARS} backend/plugins/
 COPY ./app/client/build editor/
 
 # Add RTS - Application Layer
-COPY ./app/rts/package.json ./app/rts/dist/* rts/
+COPY ./app/rts/package.json ./app/rts/dist rts/
 COPY ./app/rts/node_modules rts/node_modules
 
 # Nginx & MongoDB config template - Configuration layer