Fix error displayed when insights files can't be found and fix server-report insights in dev build (#18635)

* Fix error

* fix queries

extensions/server-report/sql/startEvent.sql

@@ -0,0 +1,80 @@
+--Starts the XEvents sessions and creates the functions needed to find object id and give name to the page types
+BEGIN TRY
+IF NOT EXISTS (SELECT * FROM sys.dm_xe_sessions  WHERE name = 'PageContention')
+    BEGIN
+        CREATE EVENT SESSION [PageContention] ON SERVER
+        ADD EVENT latch_suspend_end(
+            WHERE class = 28
+            AND (page_type_id = 8
+            OR page_type_id = 9
+            OR page_type_id = 11))
+        ADD TARGET package0.histogram(SET slots=16, filtering_event_name=N'latch_suspend_end', source=N'page_type_id', source_type=(0))
+        ALTER EVENT SESSION [PageContention] ON SERVER
+        STATE =  START
+    END
+IF NOT EXISTS (SELECT * FROM sys.dm_xe_sessions  WHERE name = 'ObjectContention')
+    BEGIN
+        CREATE EVENT SESSION [ObjectContention] ON SERVER
+        ADD EVENT latch_suspend_end(
+            WHERE class = 28
+            AND database_id = 2)
+        ADD TARGET package0.histogram(SET slots=256, filtering_event_name=N'latch_suspend_end', source=N'page_alloc_unit_id', source_type=(0))
+        ALTER EVENT SESSION [ObjectContention] ON SERVER
+        STATE =  START
+    END
+SELECT 0 AS RESULTCODE
+END TRY
+BEGIN CATCH
+    PRINT 'XEvent fields not supported'
+    SELECT 1 AS RESULTCODE
+END CATCH
+GO
+
+IF OBJECT_ID(N'[dbo].[isSystemTable]', N'FN') IS NOT NULL
+    DROP FUNCTION [dbo].[isSystemTable]
+GO
+
+CREATE FUNCTION [dbo].[isSystemTable] (@alloc bigint)
+RETURNS bigint
+
+AS BEGIN
+
+    DECLARE @index BIGINT;
+    DECLARE @objId BIGINT;
+
+    SELECT @index =
+        CONVERT (BIGINT,
+            CONVERT (FLOAT, @alloc)
+                * (1 / POWER (2.0, 48))
+        );
+    SELECT @objId =
+        CONVERT (BIGINT,
+            CONVERT (FLOAT, @alloc - (@index * CONVERT (BIGINT, POWER (2.0, 48))))
+                * (1 / POWER (2.0, 16))
+        );
+
+    IF (@objId > 0 AND @objId <= 100 AND @index <= 255)
+        return @objId
+
+    return 0
+
+    END
+GO
+
+IF OBJECT_ID(N'[dbo].[mapPageType]', N'FN') IS NOT NULL
+    DROP FUNCTION [dbo].[mapPageType]
+GO
+
+CREATE FUNCTION [dbo].[mapPageType] (@pageTypeId bigint)
+RETURNS varchar(20)
+
+AS BEGIN
+    IF @pageTypeId = 8
+        return 'GAM_PAGE'
+    ELSE IF @pageTypeId = 9
+        return 'SGAM_PAGE'
+    ELSE IF @pageTypeId = 11
+        return 'PFS_PAGE'
+    return ''
+    END
+GO