Fix custom button with dialog

[ZitaNemeckova]

Create custom button with dialog:
Automation -> Automate -> Customization -> Buttons -> create a custom button with a dialog

COMPUTE

• Cloud > Availability Zone
• Cloud > Stacks
• Infrastructure > Networking - explorer issue (submit/cancel in Dialog) - will be resolved in separate PR Fix custom button with dialog in explorer  #2593
• Container > Project
• Container > Pod
• Container > Images
• Container > Volumes
• Container > Template

NETWORKS

• Network
• Subnet - not showing dialog - fixed
• Router - not showing dialog -fixed
• Load Balancer
• Security Group - not showing dialog - fixed

STORAGE:

• Block > Managers
• Block > Volume
• Object > Managers
• Object > Container

Go to detail page of object that has custom button with a dialog

Before:

No route matches {:action=>"dialog_load", :controller=>"cloud_tenant", :id=>"1000000000012"} [cloud_tenant/button]

After:
Displays a dialog like this

https://bugzilla.redhat.com/show_bug.cgi?id=1500199

@miq-bot add_label bug, fine/no

Dialog is generated directly instead of show's magic.
Template rendered instead of partial because of #main_div and styling.

[ZitaNemeckova]

@miq-bot add_label wip

[ZitaNemeckova]

@miq-bot remove_label wip

[miq-bot]

Checked commits ZitaNemeckova/manageiq-ui-classic@6245255~...461ae3e with ruby 2.3.3, rubocop 0.47.1, and haml-lint 0.20.0
7 files checked, 0 offenses detected
Everything looks fine. 👍