feat(arm): add data explorer double encryption enabled convert policy to arm

[goldyBH]

We converted the check AzureDataExplorerDoubleEncryptionEnabled from TERRAFORM language to the ARM language so that it also works on resources that are defined in the ARM language

Ensure that Azure Data Explorer uses double encryption Allowed prefixs:

feat(arm): add azure data explorer double encryption enabled convert policy to arm

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• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation
• [x] I have added tests that prove my feature, policy, or fix is effective and works
• [x] New and existing tests pass locally with my changes
• [x] Any dependent changes have been merged and published in downstream modules

[ChanochShayner]

@goldyBH Any reason why you closed this PR?