Fix #1977: Optimise code in administrator_controls_profile_view.xml

[Austinepass]

Fix #1977: Optimise code in administrator_controls_profile_view.xml by styling appropriately using predefined styles.

Checklist

• The PR title starts with "Fix #bugnum: ", followed by a short, clear summary of the changes. (If this PR fixes part of an issue, prefix the title with "Fix part of #bugnum: ...".)
• The PR explanation includes the words "Fixes #bugnum: ..." (or "Fixes part of #bugnum" if the PR only partially fixes an issue).
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• The PR is made from a branch that's not called "develop".
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[Austinepass]

@MohamedMedhat1998 Here is the new PR.

[MohamedMedhat1998]

LGTM, Thanks for contributing to Oppia.
The final step is to wait for @rt4914 review.

[rt4914]

LGTM, thanks.