chore: classify previously simp porting notes (#10789)

Classifies by adding issue number (#10745) to porting note claiming anything semantically equivalent to `was simp`. 

Related merged PR: #10746.

Mathlib/Algebra/Category/ModuleCat/ChangeOfRings.lean

@@ -500,7 +500,7 @@ protected def unit' : 𝟭 (ModuleCat S) ⟶ restrictScalars f ⋙ coextendScala
   app Y := app' f Y
   naturality Y Y' g :=
     LinearMap.ext fun y : Y => LinearMap.ext fun s : S => by
-      -- Porting note: previously simp [CoextendScalars.map_apply]
+      -- Porting note (#10745): previously simp [CoextendScalars.map_apply]
       simp only [ModuleCat.coe_comp, Functor.id_map, Functor.id_obj, Functor.comp_obj,
         Functor.comp_map]
       rw [coe_comp, coe_comp, Function.comp, Function.comp]
@@ -545,12 +545,12 @@ def restrictCoextendScalarsAdj {R : Type u₁} {S : Type u₂} [Ring R] [Ring S]
     { toFun := RestrictionCoextensionAdj.HomEquiv.fromRestriction.{u₁,u₂,v} f
       invFun := RestrictionCoextensionAdj.HomEquiv.toRestriction.{u₁,u₂,v} f
       left_inv := fun g => LinearMap.ext fun x : X => by
-        -- Porting note: once just simp
+        -- Porting note (#10745): once just simp
         rw [RestrictionCoextensionAdj.HomEquiv.toRestriction_apply, AddHom.toFun_eq_coe,
           LinearMap.coe_toAddHom, RestrictionCoextensionAdj.HomEquiv.fromRestriction_apply_apply,
           one_smul]
       right_inv := fun g => LinearMap.ext fun x => LinearMap.ext fun s : S => by
-        -- Porting note: once just simp
+        -- Porting note (#10745): once just simp
         rw [RestrictionCoextensionAdj.HomEquiv.fromRestriction_apply_apply,
           RestrictionCoextensionAdj.HomEquiv.toRestriction_apply, AddHom.toFun_eq_coe,
           LinearMap.coe_toAddHom, LinearMap.map_smulₛₗ, RingHom.id_apply,
@@ -559,7 +559,7 @@ def restrictCoextendScalarsAdj {R : Type u₁} {S : Type u₂} [Ring R] [Ring S]
   counit := RestrictionCoextensionAdj.counit'.{u₁,u₂,v} f
   homEquiv_unit := LinearMap.ext fun y => rfl
   homEquiv_counit := fun {X Y g} => LinearMap.ext <| by
-    -- Porting note: previously simp [RestrictionCoextensionAdj.counit']
+    -- Porting note (#10745): previously simp [RestrictionCoextensionAdj.counit']
     intro x; dsimp
     rw [coe_comp, Function.comp]
     change _ = (((restrictScalars f).map g) x).toFun (1 : S)