Enable search bar/timepicker for logs only services (#198296)

## Summary

Enables logs only Services to have a timepicker in the logs tab.

![Screenshot 2024-10-31
181045](https://github.com/user-attachments/assets/0026af42-313c-4aa5-82b3-5f726d3e52d0)

### How to test

- Use `node scripts/synthtrace traces_logs_entities.ts --clean --live`
- Navigate to `synth-go-logs` service, go to logs tab
- Timepicker should be visible and work to filter available logs

Closes #197604

Co-authored-by: Elastic Machine <[email protected]>

x-pack/plugins/observability_solution/apm/public/components/routing/templates/apm_service_template/index.tsx

@@ -8,7 +8,6 @@
 import { EuiFlexGroup, EuiFlexItem, EuiLoadingLogo, EuiSpacer, EuiTitle } from '@elastic/eui';
 import React from 'react';
 import { useHistory, useLocation } from 'react-router-dom';
-import { isLogsOnlySignal } from '../../../../utils/get_signal_type';
 import { isMobileAgentName } from '../../../../../common/agent_name';
 import { ApmServiceContextProvider } from '../../../../context/apm_service/apm_service_context';
 import { useApmServiceContext } from '../../../../context/apm_service/use_apm_service_context';
@@ -55,7 +54,7 @@ function TemplateWithContext({ title, children, selectedTab, searchBarOptions }:
 
   const tabs = useTabs({ selectedTab });
 
-  const { agentName, serviceAgentStatus, serviceEntitySummary } = useApmServiceContext();
+  const { agentName, serviceAgentStatus } = useApmServiceContext();
 
   const isPendingServiceAgent = !agentName && isPending(serviceAgentStatus);
 
@@ -76,9 +75,6 @@ function TemplateWithContext({ title, children, selectedTab, searchBarOptions }:
     });
   }
 
-  const hasLogsOnlySignal =
-    serviceEntitySummary?.dataStreamTypes && isLogsOnlySignal(serviceEntitySummary.dataStreamTypes);
-
   return (
     <ApmMainTemplate
       pageHeader={{
@@ -119,7 +115,7 @@ function TemplateWithContext({ title, children, selectedTab, searchBarOptions }:
         </EuiFlexGroup>
       ) : (
         <>
-          {!hasLogsOnlySignal && <SearchBar {...searchBarOptions} />}
+          <SearchBar {...searchBarOptions} />
           <ServiceAnomalyTimeseriesContextProvider>
             {children}
           </ServiceAnomalyTimeseriesContextProvider>