Revert Delete ems_storage

[ZitaNemeckova]

This reverts commit 8c8f1e6 (PR: #2988) as it was too much deleting.

Storage -> Block Storage -> Managers -> click on the Cinder Manager
Storage -> Object Storage -> Managers -> click on the Swift Manager

Before:

After:

@miq-bot add_label bug, gaprindashvili/no

@lpichler @mzazrivec please have a look.

[miq-bot]

Checked commit ZitaNemeckova@b3f34c6 with ruby 2.3.3, rubocop 0.52.1, haml-lint 0.20.0, and yamllint 1.10.0
9 files checked, 10 offenses detected

app/helpers/application_helper/toolbar/ems_storage_center.rb

• ❗ - Line 19, Col 127 - Layout/MultilineMethodCallBraceLayout - Closing method call brace must be on the line after the last argument when opening brace is on a separate line from the first argument.
• ❗ - Line 27, Col 128 - Layout/MultilineMethodCallBraceLayout - Closing method call brace must be on the line after the last argument when opening brace is on a separate line from the first argument.
• ❗ - Line 42, Col 45 - Layout/MultilineMethodCallBraceLayout - Closing method call brace must be on the line after the last argument when opening brace is on a separate line from the first argument.
• ❗ - Line 47, Col 39 - Layout/MultilineMethodCallBraceLayout - Closing method call brace must be on the line after the last argument when opening brace is on a separate line from the first argument.
• ❗ - Line 66, Col 57 - Layout/MultilineMethodCallBraceLayout - Closing method call brace must be on the line after the last argument when opening brace is on a separate line from the first argument.
• ❗ - Line 7, Col 23 - Layout/MultilineMethodCallBraceLayout - Closing method call brace must be on the line after the last argument when opening brace is on a separate line from the first argument.

app/helpers/application_helper/toolbar/ems_storages_center.rb

• ❗ - Line 18, Col 45 - Layout/MultilineMethodCallBraceLayout - Closing method call brace must be on the line after the last argument when opening brace is on a separate line from the first argument.
• ❗ - Line 29, Col 45 - Layout/MultilineMethodCallBraceLayout - Closing method call brace must be on the line after the last argument when opening brace is on a separate line from the first argument.
• ❗ - Line 50, Col 45 - Layout/MultilineMethodCallBraceLayout - Closing method call brace must be on the line after the last argument when opening brace is on a separate line from the first argument.
• ❗ - Line 59, Col 45 - Layout/MultilineMethodCallBraceLayout - Closing method call brace must be on the line after the last argument when opening brace is on a separate line from the first argument.

[himdel]

Merging as this is blocking @lpichler from a blocker fix.

After that, this code should be removed again, but this time with all the 45 other ems_storage references that stayed in :).