Ensure stack_id and org_id are ints (#3458)

# What this PR does
When reading plugin provisioning data if the value was > 999999 it was
converted to exponential notation by the template which the backend
could not understand as an ID. This makes sure it is written as an int.

## Which issue(s) this PR fixes

## Checklist

- [x] Unit, integration, and e2e (if applicable) tests updated
- [x] Documentation added (or `pr:no public docs` PR label added if not
required)
- [x] `CHANGELOG.md` updated (or `pr:no changelog` PR label added if not
required)

CHANGELOG.md

@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 - User profile UI tweaks ([#3443](https://github.com/grafana/oncall/pull/3443))
+- Ensure stack_id and org_id are ints @mderynck [(#3458](https://github.com/grafana/oncall/pull/3458))
 
 ## v1.3.64 (2023-11-28)
 

grafana-plugin/src/plugin.json

@@ -108,7 +108,7 @@
       "headers": [
         {
           "name": "X-Instance-Context",
-          "content": "{ \"stack_id\": \"{{ .JsonData.stackId }}\", \"org_id\": \"{{ .JsonData.orgId }}\", \"grafana_token\": \"{{ .SecureJsonData.grafanaToken }}\" }"
+          "content": "{ \"stack_id\": \"{{ printf \"%.0f\" .JsonData.stackId }}\", \"org_id\": \"{{ printf \"%.0f\" .JsonData.orgId }}\", \"grafana_token\": \"{{ .SecureJsonData.grafanaToken }}\" }"
         },
         {
           "name": "Authorization",
@@ -134,7 +134,7 @@
       "headers": [
         {
           "name": "X-Instance-Context",
-          "content": "{ \"stack_id\": \"{{ .JsonData.stackId }}\", \"org_id\": \"{{ .JsonData.orgId }}\" }"
+          "content": "{ \"stack_id\": \"{{ printf \"%.0f\" .JsonData.stackId }}\", \"org_id\": \"{{ printf \"%.0f\" .JsonData.orgId }}\" }"
         },
         {
           "name": "Authorization",
@@ -149,7 +149,7 @@
       "headers": [
         {
           "name": "X-Instance-Context",
-          "content": "{ \"stack_id\": \"{{ .JsonData.stackId }}\", \"org_id\": \"{{ .JsonData.orgId }}\" }"
+          "content": "{ \"stack_id\": \"{{ printf \"%.0f\" .JsonData.stackId }}\", \"org_id\": \"{{ printf \"%.0f\" .JsonData.orgId }}\" }"
         },
         {
           "name": "Authorization",
@@ -164,7 +164,7 @@
       "headers": [
         {
           "name": "X-Instance-Context",
-          "content": "{ \"stack_id\": \"{{ .JsonData.stackId }}\", \"org_id\": \"{{ .JsonData.orgId }}\" }"
+          "content": "{ \"stack_id\": \"{{ printf \"%.0f\" .JsonData.stackId }}\", \"org_id\": \"{{ printf \"%.0f\" .JsonData.orgId }}\" }"
         },
         {
           "name": "Authorization",
@@ -179,7 +179,7 @@
       "headers": [
         {
           "name": "X-Instance-Context",
-          "content": "{ \"stack_id\": \"{{ .JsonData.stackId }}\", \"org_id\": \"{{ .JsonData.orgId }}\" }"
+          "content": "{ \"stack_id\": \"{{ printf \"%.0f\" .JsonData.stackId }}\", \"org_id\": \"{{ printf \"%.0f\" .JsonData.orgId }}\" }"
         },
         {
           "name": "Authorization",