Fix utilization accessibility issues

[GilbertCherrie]

Fix accessibility violations in the Accessibility Assessment Scanner for the Overview > Utilization page. The last remaining violation is due to the explorer tree and will exist until the explorer screens are removed.

Before:

After:

[miq-bot]

Checked commit GilbertCherrie@91917a9 with ruby 2.7.8, rubocop 1.56.3, haml-lint 0.51.0, and yamllint
2 files checked, 23 offenses detected

app/views/layouts/_perf_charts.html.haml

• ⚠️ - Line 1 - Hash attribute should end with one space before the closing brace or be on its own line
• ⚠️ - Line 1 - Hash attribute should start with one space after the opening brace
• ⚠️ - Line 1 - Line is too long. [132/80]

app/views/utilization/_utilization_options.html.haml

• ⚠️ - Line 13 - Layout/ArgumentAlignment: Align the arguments of a method call if they span more than one line.
• ⚠️ - Line 13 - Layout/HashAlignment: Align the keys and values of a hash literal if they span more than one line.
• ⚠️ - Line 14 - Layout/HashAlignment: Align the keys and values of a hash literal if they span more than one line.
• ⚠️ - Line 21 - Hash attribute should end with one space before the closing brace or be on its own line
• ⚠️ - Line 21 - Hash attribute should start with one space after the opening brace
• ⚠️ - Line 27 - Layout/ArgumentAlignment: Align the arguments of a method call if they span more than one line.
• ⚠️ - Line 27 - Layout/HashAlignment: Align the keys and values of a hash literal if they span more than one line.
• ⚠️ - Line 28 - Layout/HashAlignment: Align the keys and values of a hash literal if they span more than one line.
• ⚠️ - Line 35 - Hash attribute should end with one space before the closing brace or be on its own line
• ⚠️ - Line 35 - Hash attribute should start with one space after the opening brace
• ⚠️ - Line 3 - Hash attribute should end with one space before the closing brace or be on its own line
• ⚠️ - Line 3 - Hash attribute should start with one space after the opening brace
• ⚠️ - Line 3 - Line is too long. [137/80]
• ⚠️ - Line 47 - Layout/ArgumentAlignment: Align the arguments of a method call if they span more than one line.
• ⚠️ - Line 47 - Layout/HashAlignment: Align the keys and values of a hash literal if they span more than one line.
• ⚠️ - Line 48 - Layout/HashAlignment: Align the keys and values of a hash literal if they span more than one line.
• ⚠️ - Line 55 - Hash attribute should end with one space before the closing brace or be on its own line
• ⚠️ - Line 55 - Hash attribute should start with one space after the opening brace
• ⚠️ - Line 8 - Hash attribute should end with one space before the closing brace or be on its own line
• ⚠️ - Line 8 - Hash attribute should start with one space after the opening brace

[Fryguy]

Skipping backport to quinteros, because it is already in the branch.