Improve flow step navigation

Flow steps can belong to different parts of the same line.
This commit makes selections more precise by including column information from the SARIF step data.

Author: wwong

Diff for: src/main/kotlin/com/github/adrienpessu/sarifviewer/services/SarifService.kt

@@ -14,8 +14,7 @@ import com.intellij.openapi.components.Service
 import com.intellij.util.alsoIfNull
 import java.net.HttpURLConnection
 import java.net.URL
-import java.util.Comparator
-import java.util.TreeMap
+import java.util.*
 
 
 @Service(Service.Level.PROJECT)
@@ -134,7 +133,13 @@ class SarifService {
         val element = Leaf(
                 leafName = result.message.text ?: "",
                 address = "${result.locations[0].physicalLocation.artifactLocation.uri}:${result.locations[0].physicalLocation.region.startLine}",
-                steps = result.codeFlows?.get(0)?.threadFlows?.get(0)?.locations?.map { "${it.location.physicalLocation.artifactLocation.uri}:${it.location.physicalLocation.region.startLine}" }
+                steps = result.codeFlows?.get(0)?.threadFlows?.get(0)?.locations?.map {
+                    "${it.location.physicalLocation.artifactLocation.uri}:" +
+                            "${it.location.physicalLocation.region.startLine}:" +
+                            "${it.location.physicalLocation.region.startColumn}:" +
+                            "${it.location.physicalLocation.region.endLine}:" +
+                            "${it.location.physicalLocation.region.endColumn}"
+                }
                         ?: listOf(),
                 location = result.locations[0].physicalLocation.artifactLocation.uri,
                 ruleId = result.ruleId,