Translation course media & access key

[kesselb]

Description:

Fix wrong call for translation. Buttons in course media. Placeholder for access key

Improvements

• String is translated

Known Issues:

NONE

[coveralls]

Pull Request Test Coverage Report for Build 163

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+1.4%) to 74.908%

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Totals
Change from base Build 154:	1.4%
Covered Lines:	1749
Relevant Lines:	2236

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💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 174

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 25 unchanged lines in 2 files lost coverage.
• Overall coverage decreased (-1.3%) to 73.552%

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Files with Coverage Reduction	New Missed Lines	%
api/src/controllers/DownloadController.ts	5	74.37%
api/src/models/units/CodeKataUnit.ts	20	58.78%

Totals
Change from base Build 172:	-1.3%
Covered Lines:	1721
Relevant Lines:	2234

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💛 - Coveralls