Fix Opaque Applications Import Issue

[Avishka-Shamendra]

Purpose

Fixes https://github.com/wso2/api-manager/issues/2707

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 47.10%. Comparing base (5aa20d9) to head (028b08f). Report is 7 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #12386 +/- ## ============================================ + Coverage 46.94% 47.10% +0.16% - Complexity 4161 4208 +47 ============================================ Files 1869 1869 Lines 138154 138137 -17 Branches 19984 19983 -1 ============================================ + Hits 64852 65067 +215 + Misses 65592 65342 -250 - Partials 7710 7728 +18 ``` | [Flag](https://app.codecov.io/gh/wso2/carbon-apimgt/pull/12386/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=wso2) | Coverage Δ | | |---|---|---| | [integration_tests](https://app.codecov.io/gh/wso2/carbon-apimgt/pull/12386/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=wso2) | `41.67% <100.00%> (+0.14%)` | :arrow_up: | | [unit_tests](https://app.codecov.io/gh/wso2/carbon-apimgt/pull/12386/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=wso2) | `20.01% <0.00%> (+<0.01%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=wso2#carryforward-flags-in-the-pull-request-comment) to find out more.

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[CLAassistant]

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