MM-41211: Adds ability to set SessionLengthSSOInDays to a decimal. (#19396)

* MM-41211: Accepts a decimal for the SSO session length.

* MM-41211: Fixes test and logic error.

* MM-41211: Validates session length is minimum 1 hour.

* MM-41211: Tricking the CI to allow an empty string.

* Fixes a test error and some lint changes.

* Fix error.

* Reverting IDE change.

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

model/builtin.go

@@ -3,7 +3,8 @@
 
 package model
 
-func NewBool(b bool) *bool       { return &b }
-func NewInt(n int) *int          { return &n }
-func NewInt64(n int64) *int64    { return &n }
-func NewString(s string) *string { return &s }
+func NewBool(b bool) *bool          { return &b }
+func NewInt(n int) *int             { return &n }
+func NewInt64(n int64) *int64       { return &n }
+func NewString(s string) *string    { return &s }
+func NewFloat32(s float32) *float32 { return &s }