fix: [#840] DB cache is not reset when fresh orm

[hwbrzzl]

📑 Description

Closes goravel/goravel#840

This pull request introduces an improvement to the database connection handling by adding a mechanism to reset GORM connections, and integrates this reset into the ORM's Fresh method. The changes also include a minor import update.

Database connection management improvements:

• Added a new ResetConnections function to database/driver/gorm.go that safely clears the internal map of GORM connections, allowing for a clean reset of database connections.
• Updated the Fresh method in Orm (database/orm/orm.go) to call driver.ResetConnections(), ensuring that all GORM connections are reset when refreshing the ORM state.

Codebase maintenance:

• Added an import for github.com/goravel/framework/database/driver in database/orm/orm.go to support the new connection reset functionality.

✅ Checks

• Added test cases for my code

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 69.95%. Comparing base (eb07027) to head (d944fe8).
⚠️ Report is 2 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1322   +/-   ##
=======================================
  Coverage   69.95%   69.95%           
=======================================
  Files         282      282           
  Lines       16653    16653           
=======================================
  Hits        11649    11649           
  Misses       4516     4516           
  Partials      488      488           

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[Copilot]

Pull request overview

This pull request addresses issue #840 by adding a mechanism to reset the database connection cache when the ORM's Fresh method is called. The implementation migrates from a regular map to sync.Map for storing connections and introduces a new ResetConnections function.

Key changes:

• Introduced ResetConnections() function to clear all cached GORM database connections
• Modified connection storage from map[string]*gorm.DB to sync.Map
• Updated Orm.Fresh() to call driver.ResetConnections() for proper cache clearing

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 3 comments.

File	Description
database/driver/gorm.go	Migrated connectionToDB to sync.Map and added ResetConnections function to clear all cached database connections
database/orm/orm.go	Added import for database/driver package and integrated driver.ResetConnections() call into Fresh method

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