Pre-populate Cmd+O modal and sort suggested context URLs by most-recently-used first

[jankeromnes]

Description

This change "brings back" recent repositories:

• Pre-populate Cmd+O modal with unfiltered suggestions
• Sort suggestions by most-recently-used first

Related Issue(s)

Addresses the first part of #8088:

1. Recover behavior to show recents by default
   • Autopopulate results even when input is empty
   • Tweak result ranking to show recents first
   • Remove current help text
   • Set placeholder = “Paste repository URL or type for suggestions”

How to test

Release Notes

Pre-populate Cmd+O modal and sort suggested context URLs by most-recently-used first

Documentation

[codecov]

Codecov Report

Merging #8380 (bd231e1) into main (4d48ccb) will increase coverage by 0.18%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #8380      +/-   ##
==========================================
+ Coverage   34.21%   34.39%   +0.18%     
==========================================
  Files          57       52       -5     
  Lines        7929     6893    -1036     
==========================================
- Hits         2713     2371     -342     
+ Misses       5016     4354     -662     
+ Partials      200      168      -32     

Flag	Coverage Δ
components-gitpod-cli-app	11.17% <ø> (ø)
components-image-builder-mk3-app	?
components-installer-raw-app	4.58% <ø> (ø)
components-local-app-app-darwin-amd64	?
components-local-app-app-darwin-arm64	?
components-local-app-app-linux-amd64	?
components-local-app-app-linux-arm64	?
components-local-app-app-windows-386	?
components-local-app-app-windows-amd64	?
components-local-app-app-windows-arm64	?
components-ws-manager-api-go-lib	?
components-ws-manager-app	39.66% <ø> (ø)
components-ws-proxy-app	68.63% <ø> (ø)
dev-loadgen-app	?

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
components/local-app/pkg/auth/pkce.go
components/local-app/pkg/auth/auth.go
...ents/image-builder-mk3/pkg/orchestrator/monitor.go
...image-builder-mk3/pkg/orchestrator/orchestrator.go
...ents/image-builder-mk3/pkg/orchestrator/metrics.go

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[JanKoehnlein]

LGTM