Insight Macro for Confluence shows white/blank page when the IQL has space(s) in it

Issue Summary

Insight Macro for Confluence plugin IMFC v1.6.10 doesn't work with IQLs having spaces in then even through the IQL validation succeeds.

Steps to Reproduce

1. Have Jira + Confluence app linked
2. Install IMFC v1.6.10
3. Try to add the IMFC macro on a page with spaces in the IQL vs. without spaces in IQL
   • For example, try IQL objectType=XXXX vs. objectType = XXXX

Expected Results

As long as the IQL is valid the macro is loaded correctly

Actual Results

• Check out this GIF to see the behaviour on the UI
• The below exception is thrown in the atlassian-confluence.log file:

  2022-02-07 14:28:27,202 ERROR [http-nio-8090-exec-7] [common.error.jersey.ThrowableExceptionMapper] toResponse Uncaught exception thrown by REST service: Illegal character in query at index 66: /jira/rest/insight/1.0/iql/objects?objectSchemaId=2&iql=objectType = Employee&resultPerPage=50&page=1&includeAttributesDeep=0&includeTypeAttributes=true
   -- referer: https://linux-13105.prod.atl-cd.net/confluence/pages/editpage.action?pageId=950274 | url: /confluence/rest/ifc/1.0/jira-proxy | traceId: 256a898c1ae91a5f | userName: admin
  java.lang.IllegalArgumentException: Illegal character in query at index 66: /jira/rest/insight/1.0/iql/objects?objectSchemaId=2&iql=objectType = Employee&resultPerPage=50&page=1&includeAttributesDeep=0&includeTypeAttributes=true
  	at java.base/java.net.URI.create(URI.java:883)
  	at java.base/java.net.URI.resolve(URI.java:1066)
  	at com.mindville.confluence.plugins.insight.jira.EndpointFactory$Companion.create(EndpointFactory.kt:9)
  	at com.mindville.confluence.plugins.insight.jira.ApplicationLinkRequestClientImpl.execute(ApplicationLinkRequestClientImpl.kt:35)
  	at com.mindville.confluence.plugins.insight.jira.ApplicationLinkRequestClientImpl.execute$default(ApplicationLinkRequestClientImpl.kt:31)
  	at com.mindville.confluence.plugins.insight.jira.ApplicationLinkRequestClientImpl.get(ApplicationLinkRequestClientImpl.kt:23)
  	at com.mindville.confluence.plugins.insight.api.JiraProxyResource.jiraProxyGET(JiraProxyResource.kt:36)
  	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
  

• HAR file would return a 500 for the request:

  GET https://<CONFLUENCE-BASE-URL>/rest/ifc/1.0/jira-proxy?url=%2Frest%2Finsight%2F1.0%2Fiql%2Fobjects%3FobjectSchemaId%3D2%26iql%3DobjectType%2520%253D%2520Server%26resultPerPage%3D50%26page%3D1%26includeAttributesDeep%3D0%26includeTypeAttributes%3Dtrue
  

Workaround

• Currently only possible workaround would be to downgrade IMFC to 1.6.9