lib search returns exact match as the first result.

[cmaglie]

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What kind of change does this PR introduce?

When searching for libraries put the exact match as the first result.

What is the current behavior?

$ arduino-cli lib search FlashStorage --names
Sto scaricando l'indice: library_index.tar.bz2 downloaded                                                                                                                                                   
Nome: "BlynkEthernet_Manager"
Nome: "Blynk_Esp8266AT_WM"
Nome: "Blynk_WiFiNINA_WM"
Nome: "DoubleResetDetector_Generic"
Nome: "DueFlashStorage"
Nome: "ESP_AT_WM_Lite"
Nome: "ESP_AT_WiFiManager"
Nome: "Ethernet_Manager"
Nome: "Ethernet_Manager_STM32"
Nome: "FlashStorage"
Nome: "FlashStorage_RTL8720"
Nome: "FlashStorage_SAMD"
Nome: "FlashStorage_STM32"
Nome: "FlashStorage_STM32F1"
Nome: "KonnektingFlashStorage"
Nome: "MultiResetDetector_Generic"
Nome: "WiFiManager_Generic_Lite"
Nome: "WiFiManager_NINA_Lite"
Nome: "WiFiManager_RTL8720"

What is the new behavior?

$ arduino-cli lib search FlashStorage --names
Sto scaricando l'indice: library_index.tar.bz2 downloaded                                                                                                                                                   
Nome: "FlashStorage"
Nome: "BlynkEthernet_Manager"
Nome: "Blynk_Esp8266AT_WM"
Nome: "Blynk_WiFiNINA_WM"
Nome: "DoubleResetDetector_Generic"
Nome: "DueFlashStorage"
Nome: "ESP_AT_WM_Lite"
Nome: "ESP_AT_WiFiManager"
Nome: "Ethernet_Manager"
Nome: "Ethernet_Manager_STM32"
Nome: "FlashStorage_RTL8720"
Nome: "FlashStorage_SAMD"
Nome: "FlashStorage_STM32"
Nome: "FlashStorage_STM32F1"
Nome: "KonnektingFlashStorage"
Nome: "MultiResetDetector_Generic"
Nome: "WiFiManager_Generic_Lite"
Nome: "WiFiManager_NINA_Lite"
Nome: "WiFiManager_RTL8720"

Does this PR introduce a breaking change, and is titled accordingly?

No

Other information

Fix #1974