[SIEM] Add types to the mappings objects so extra keys cannot be introduced

Add types to the mappings objects so extra keys cannot be introduced by accident and makes it easier to see mistakes as you type things within the mappings.

Author: FrankHassanabad

x-pack/plugins/siem/server/lib/detection_engine/rule_actions/saved_object_mappings.ts

@@ -8,7 +8,7 @@ import { SavedObjectsType } from '../../../../../../../src/core/server';
 
 export const ruleActionsSavedObjectType = 'siem-detection-engine-rule-actions';
 
-export const ruleActionsSavedObjectMappings = {
+export const ruleActionsSavedObjectMappings: SavedObjectsType['mappings'] = {
   properties: {
     alertThrottle: {
       type: 'keyword',

x-pack/plugins/siem/server/lib/detection_engine/rules/saved_object_mappings.ts

@@ -8,7 +8,7 @@ import { SavedObjectsType } from '../../../../../../../src/core/server';
 
 export const ruleStatusSavedObjectType = 'siem-detection-engine-rule-status';
 
-export const ruleStatusSavedObjectMappings = {
+export const ruleStatusSavedObjectMappings: SavedObjectsType['mappings'] = {
   properties: {
     alertId: {
       type: 'keyword',

x-pack/plugins/siem/server/lib/note/saved_object_mappings.ts

@@ -8,7 +8,7 @@ import { SavedObjectsType } from '../../../../../../src/core/server';
 
 export const noteSavedObjectType = 'siem-ui-timeline-note';
 
-export const noteSavedObjectMappings = {
+export const noteSavedObjectMappings: SavedObjectsType['mappings'] = {
   properties: {
     timelineId: {
       type: 'keyword',

x-pack/plugins/siem/server/lib/pinned_event/saved_object_mappings.ts

@@ -8,7 +8,7 @@ import { SavedObjectsType } from '../../../../../../src/core/server';
 
 export const pinnedEventSavedObjectType = 'siem-ui-timeline-pinned-event';
 
-export const pinnedEventSavedObjectMappings = {
+export const pinnedEventSavedObjectMappings: SavedObjectsType['mappings'] = {
   properties: {
     timelineId: {
       type: 'keyword',

x-pack/plugins/siem/server/lib/timeline/saved_object_mappings.ts

@@ -8,7 +8,7 @@ import { SavedObjectsType } from '../../../../../../src/core/server';
 
 export const timelineSavedObjectType = 'siem-ui-timeline';
 
-export const timelineSavedObjectMappings = {
+export const timelineSavedObjectMappings: SavedObjectsType['mappings'] = {
   properties: {
     columns: {
       properties: {