Revert to using hmctsprivate in Docmosis

[ieuanb74]

Jira link

https://tools.hmcts.net/jira/browse/DTSPO-24378

Change description

• Reverting to using hmctprivate registry for Docmosis images
• To be merged out of hours as part of CR

Testing done

Checklist

• commit messages are meaningful and follow good commit message guidelines
• README and other documentation has been updated / added (if needed)
• tests have been updated / new tests has been added (if needed)
• Does this PR introduce a breaking change

🤖AEP PR SUMMARY🤖

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apps/docmosis/docmosis/aat.yaml

• Updated image repository from hmctsprivatetemp.azurecr.io to hmctsprivate.azurecr.io.

apps/docmosis/docmosis/demo.yaml

• Updated image repository from hmctsprivatetemp.azurecr.io to hmctsprivate.azurecr.io.

apps/docmosis/docmosis/docmosis.yaml

• Updated image repository from hmctsprivatetemp.azurecr.io to hmctsprivate.azurecr.io.
• Updated memory and CPU requests.

apps/docmosis/docmosis/image-repo.yaml

• Updated image repository from hmctsprivatetemp.azurecr.io to hmctsprivate.azurecr.io.

apps/docmosis/docmosis/ithc.yaml

• Updated image repository from hmctsprivatetemp.azurecr.io to hmctsprivate.azurecr.io.

apps/docmosis/docmosis/perftest.yaml

• Updated image repository from hmctsprivatetemp.azurecr.io to hmctsprivate.azurecr.io.
• Updated Java memory requests and limits.

apps/docmosis/docmosis/preview.yaml

• Updated image repository from hmctsprivatetemp.azurecr.io to hmctsprivate.azurecr.io.

apps/docmosis/docmosis/sbox.yaml

• Updated image repository from hmctsprivatetemp.azurecr.io to hmctsprivate.azurecr.io.
• Updated environment variables for rendering URLs.