add global tenant for report definition urls

[zhongnansu]

Issue #, if available:
on-demand report definition still renders the tenant panel
Description of changes:
add condtion to check global tenant and add to url

TODO:

1. remove the old fix where we add the key-value pair to browser loacal storage
2. See if we can get rid of the addTenantToUrl logic from UI side. Only using the tenant info from ES backend.
3. Currently there's no way to distinguish global tenant and non-security from tenant field returned by backend. As they both are empty string.

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[akbhatta]

what if the user creates a new tenant with name "global"?

[zhongnansu]

then after this if else check, tenant variable will be assigned with global. It will be added to the url without any issue. Same for global tenant. they follow the same format in the url ?security_tenant=global or ?security_tenant=<customized_tenant_name>. From the actual behavior point, it's out of our control. Not sure seucirty plugin has a way to distinguish that.

[codecov]

Codecov Report

Merging #324 (f5cd6b7) into dev (9a0534d) will decrease coverage by 0.03%.
The diff coverage is 25.00%.

@@             Coverage Diff              @@
##                dev     #324      +/-   ##
============================================
- Coverage     64.07%   64.04%   -0.04%     
  Complexity      291      291              
============================================
  Files           100      100              
  Lines          4064     4066       +2     
  Branches        618      619       +1     
============================================
  Hits           2604     2604              
- Misses         1300     1302       +2     
  Partials        160      160              

Flag	Coverage Δ	Complexity Δ
Kibana-reports	77.23% <25.00%> (-0.09%)	0.00 <0.00> (ø)
reports-scheduler	53.28% <ø> (ø)	0.00 <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ	Complexity Δ
...orts/server/routes/utils/converters/backendToUi.ts	69.67% <25.00%> (-1.17%)	0.00 <0.00> (ø)

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