Remove custom sqlalchemy metadata, manage with __table_args__

Allow sqlmodel queries, with relations
Remode join_with mechanisms coming from gino
Handlew ith_only_columns in get_df and get_gdf
Implement feature-info

src/gisaf/models/reconcile.py

@@ -4,11 +4,11 @@ from sqlalchemy import BigInteger, String
 from sqlmodel import Field
 
 from gisaf.models.models_base import Model
-from gisaf.models.metadata import gisaf_admin
+from gisaf.models.metadata import gisaf_admin_table_args
 
 
 class Reconciliation(Model):
-    metadata = gisaf_admin
+    __table_args__ = gisaf_admin_table_args
 
     class Admin:
         menu = 'Other'
@@ -21,7 +21,7 @@ class Reconciliation(Model):
 
 
 class StatusChange(Model):
-    metadata = gisaf_admin
+    __table_args__ = gisaf_admin_table_args
     __tablename__ = 'status_change'
 
     id: int = Field(primary_key=True, sa_type=BigInteger,
@@ -34,7 +34,7 @@ class StatusChange(Model):
 
 
 class FeatureDeletion(Model):
-    metadata = gisaf_admin
+    __table_args__ = gisaf_admin_table_args
     __tablename__ = 'feature_deletion'
 
     id: int = Field(BigInteger, primary_key=True,